19991567200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:966

約数の個数: 288

約数和(自身を含む): 55420702848

約数和(自身を除く): 35429135648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 67, 80, 82, 88, 100, 110, 134, 160, 164, 176, 200, 205, 220, 268, 275, 328, 335, 352, 400, 410, 440, 451, 536, 550, 656, 670, 737, 800, 820, 827, 880, 902, 1025, 1072, 1100, 1312, 1340, 1474, 1640, 1654, 1675, 1760, 1804, 2050, 2144, 2200, 2255, 2680, 2747, 2948, 3280, 3308, 3350, 3608, 3685, 4100, 4135, 4400, 4510, 5360, 5494, 5896, 6560, 6616, 6700, 7216, 7370, 8200, 8270, 8800, 9020, 9097, 10720, 10988, 11275, 11792, 13232, 13400, 13735, 14432, 14740, 16400, 16540, 18040, 18194, 18425, 20675, 21976, 22550, 23584, 26464, 26800, 27470, 29480, 30217, 32800, 33080, 33907, 36080, 36388, 36850, 41350, 43952, 45100, 45485, 53600, 54940, 55409, 58960, 60434, 66160, 67814, 68675, 72160, 72776, 73700, 82700, 87904, 90200, 90970, 109880, 110818, 117920, 120868, 132320, 135628, 137350, 145552, 147400, 151085, 165400, 169535, 180400, 181940, 219760, 221636, 227425, 241736, 271256, 274700, 277045, 291104, 294800, 302170, 330800, 339070, 360800, 363880, 372977, 439520, 443272, 454850, 483472, 542512, 549400, 554090, 589600, 604340, 609499, 661600, 678140, 727760, 745954, 755425, 847675, 886544, 909700, 966944, 1085024, 1098800, 1108180, 1208680, 1218998, 1356280, 1385225, 1455520, 1491908, 1510850, 1695350, 1773088, 1819400, 1864885, 2197600, 2216360, 2271769, 2417360, 2437996, 2712560, 2770450, 2983816, 3021700, 3047495, 3390700, 3638800, 3729770, 4432720, 4543538, 4834720, 4875992, 5425120, 5540900, 5967632, 6043400, 6094990, 6781400, 7277600, 7459540, 8865440, 9087076, 9324425, 9751984, 11081800, 11358845, 11935264, 12086800, 12189980, 13562800, 14919080, 15237475, 18174152, 18648850, 19503968, 22163600, 22717690, 24173600, 24379960, 24989459, 27125600, 29838160, 30474950, 36348304, 37297700, 44327200, 45435380, 48759920, 49978918, 56794225, 59676320, 60949900, 72696608, 74595400, 90870760, 97519840, 99957836, 113588450, 121899800, 124947295, 149190800, 181741520, 199915672, 227176900, 243799600, 249894590, 298381600, 363483040, 399831344, 454353800, 487599200, 499789180, 624736475, 799662688, 908707600, 999578360, 1249472950, 1817415200, 1999156720, 2498945900, 3998313440, 4997891800, 9995783600, 19991567200]

約数ペア:

[(1, 19991567200), (2, 9995783600), (4, 4997891800), (5, 3998313440), (8, 2498945900), (10, 1999156720), (11, 1817415200), (16, 1249472950), (20, 999578360), (22, 908707600), (25, 799662688), (32, 624736475), (40, 499789180), (41, 487599200), (44, 454353800), (50, 399831344), (55, 363483040), (67, 298381600), (80, 249894590), (82, 243799600), (88, 227176900), (100, 199915672), (110, 181741520), (134, 149190800), (160, 124947295), (164, 121899800), (176, 113588450), (200, 99957836), (205, 97519840), (220, 90870760), (268, 74595400), (275, 72696608), (328, 60949900), (335, 59676320), (352, 56794225), (400, 49978918), (410, 48759920), (440, 45435380), (451, 44327200), (536, 37297700), (550, 36348304), (656, 30474950), (670, 29838160), (737, 27125600), (800, 24989459), (820, 24379960), (827, 24173600), (880, 22717690), (902, 22163600), (1025, 19503968), (1072, 18648850), (1100, 18174152), (1312, 15237475), (1340, 14919080), (1474, 13562800), (1640, 12189980), (1654, 12086800), (1675, 11935264), (1760, 11358845), (1804, 11081800), (2050, 9751984), (2144, 9324425), (2200, 9087076), (2255, 8865440), (2680, 7459540), (2747, 7277600), (2948, 6781400), (3280, 6094990), (3308, 6043400), (3350, 5967632), (3608, 5540900), (3685, 5425120), (4100, 4875992), (4135, 4834720), (4400, 4543538), (4510, 4432720), (5360, 3729770), (5494, 3638800), (5896, 3390700), (6560, 3047495), (6616, 3021700), (6700, 2983816), (7216, 2770450), (7370, 2712560), (8200, 2437996), (8270, 2417360), (8800, 2271769), (9020, 2216360), (9097, 2197600), (10720, 1864885), (10988, 1819400), (11275, 1773088), (11792, 1695350), (13232, 1510850), (13400, 1491908), (13735, 1455520), (14432, 1385225), (14740, 1356280), (16400, 1218998), (16540, 1208680), (18040, 1108180), (18194, 1098800), (18425, 1085024), (20675, 966944), (21976, 909700), (22550, 886544), (23584, 847675), (26464, 755425), (26800, 745954), (27470, 727760), (29480, 678140), (30217, 661600), (32800, 609499), (33080, 604340), (33907, 589600), (36080, 554090), (36388, 549400), (36850, 542512), (41350, 483472), (43952, 454850), (45100, 443272), (45485, 439520), (53600, 372977), (54940, 363880), (55409, 360800), (58960, 339070), (60434, 330800), (66160, 302170), (67814, 294800), (68675, 291104), (72160, 277045), (72776, 274700), (73700, 271256), (82700, 241736), (87904, 227425), (90200, 221636), (90970, 219760), (109880, 181940), (110818, 180400), (117920, 169535), (120868, 165400), (132320, 151085), (135628, 147400), (137350, 145552)]