1994747680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:711

約数の個数: 192

約数和(自身を含む): 5295144960

約数和(自身を除く): 3300397280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 47, 76, 80, 92, 94, 95, 115, 152, 160, 184, 188, 190, 230, 235, 304, 368, 376, 380, 437, 460, 470, 607, 608, 736, 752, 760, 874, 893, 920, 940, 1081, 1214, 1504, 1520, 1748, 1786, 1840, 1880, 2162, 2185, 2428, 3035, 3040, 3496, 3572, 3680, 3760, 4324, 4370, 4465, 4856, 5405, 6070, 6992, 7144, 7520, 8648, 8740, 8930, 9712, 10810, 11533, 12140, 13961, 13984, 14288, 17296, 17480, 17860, 19424, 20539, 21620, 23066, 24280, 27922, 28529, 28576, 34592, 34960, 35720, 41078, 43240, 46132, 48560, 55844, 57058, 57665, 69805, 69920, 71440, 82156, 86480, 92264, 97120, 102695, 111688, 114116, 115330, 139610, 142645, 142880, 164312, 172960, 184528, 205390, 223376, 228232, 230660, 265259, 279220, 285290, 328624, 369056, 410780, 446752, 456464, 461320, 530518, 542051, 558440, 570580, 656167, 657248, 821560, 912928, 922640, 1061036, 1084102, 1116880, 1141160, 1312334, 1326295, 1643120, 1845280, 2122072, 2168204, 2233760, 2282320, 2624668, 2652590, 2710255, 3280835, 3286240, 4244144, 4336408, 4564640, 5249336, 5305180, 5420510, 6561670, 8488288, 8672816, 10498672, 10610360, 10841020, 12467173, 13123340, 17345632, 20997344, 21220720, 21682040, 24934346, 26246680, 42441440, 43364080, 49868692, 52493360, 62335865, 86728160, 99737384, 104986720, 124671730, 199474768, 249343460, 398949536, 498686920, 997373840, 1994747680]

約数ペア:

[(1, 1994747680), (2, 997373840), (4, 498686920), (5, 398949536), (8, 249343460), (10, 199474768), (16, 124671730), (19, 104986720), (20, 99737384), (23, 86728160), (32, 62335865), (38, 52493360), (40, 49868692), (46, 43364080), (47, 42441440), (76, 26246680), (80, 24934346), (92, 21682040), (94, 21220720), (95, 20997344), (115, 17345632), (152, 13123340), (160, 12467173), (184, 10841020), (188, 10610360), (190, 10498672), (230, 8672816), (235, 8488288), (304, 6561670), (368, 5420510), (376, 5305180), (380, 5249336), (437, 4564640), (460, 4336408), (470, 4244144), (607, 3286240), (608, 3280835), (736, 2710255), (752, 2652590), (760, 2624668), (874, 2282320), (893, 2233760), (920, 2168204), (940, 2122072), (1081, 1845280), (1214, 1643120), (1504, 1326295), (1520, 1312334), (1748, 1141160), (1786, 1116880), (1840, 1084102), (1880, 1061036), (2162, 922640), (2185, 912928), (2428, 821560), (3035, 657248), (3040, 656167), (3496, 570580), (3572, 558440), (3680, 542051), (3760, 530518), (4324, 461320), (4370, 456464), (4465, 446752), (4856, 410780), (5405, 369056), (6070, 328624), (6992, 285290), (7144, 279220), (7520, 265259), (8648, 230660), (8740, 228232), (8930, 223376), (9712, 205390), (10810, 184528), (11533, 172960), (12140, 164312), (13961, 142880), (13984, 142645), (14288, 139610), (17296, 115330), (17480, 114116), (17860, 111688), (19424, 102695), (20539, 97120), (21620, 92264), (23066, 86480), (24280, 82156), (27922, 71440), (28529, 69920), (28576, 69805), (34592, 57665), (34960, 57058), (35720, 55844), (41078, 48560), (43240, 46132)]