1991369600

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 5593261800

約数和(自身を除く): 3601892200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 64, 74, 80, 88, 100, 110, 121, 128, 139, 148, 160, 176, 185, 200, 220, 242, 275, 278, 296, 320, 352, 370, 400, 407, 440, 484, 550, 556, 592, 605, 640, 695, 704, 740, 800, 814, 880, 925, 968, 1100, 1112, 1184, 1210, 1390, 1408, 1480, 1529, 1600, 1628, 1760, 1850, 1936, 2035, 2200, 2224, 2368, 2420, 2780, 2960, 3025, 3058, 3200, 3256, 3475, 3520, 3700, 3872, 4070, 4400, 4448, 4477, 4736, 4840, 5143, 5560, 5920, 6050, 6116, 6512, 6950, 7040, 7400, 7645, 7744, 8140, 8800, 8896, 8954, 9680, 10175, 10286, 11120, 11840, 12100, 12232, 13024, 13900, 14800, 15290, 15488, 16280, 16819, 17600, 17792, 17908, 19360, 20350, 20572, 22240, 22385, 23680, 24200, 24464, 25715, 26048, 27800, 29600, 30580, 32560, 33638, 35200, 35816, 38225, 38720, 40700, 41144, 44480, 44770, 48400, 48928, 51430, 52096, 55600, 56573, 59200, 61160, 65120, 67276, 71632, 76450, 77440, 81400, 82288, 84095, 88960, 89540, 96800, 97856, 102860, 111200, 111925, 113146, 118400, 122320, 128575, 130240, 134552, 143264, 152900, 162800, 164576, 168190, 179080, 193600, 195712, 205720, 222400, 223850, 226292, 244640, 257150, 260480, 269104, 282865, 286528, 305800, 325600, 329152, 336380, 358160, 387200, 411440, 420475, 444800, 447700, 452584, 489280, 514300, 538208, 565730, 573056, 611600, 622303, 651200, 658304, 672760, 716320, 822880, 840950, 895400, 905168, 978560, 1028600, 1076416, 1131460, 1223200, 1244606, 1302400, 1345520, 1414325, 1432640, 1645760, 1681900, 1790800, 1810336, 2057200, 2152832, 2262920, 2446400, 2489212, 2691040, 2828650, 2865280, 3111515, 3291520, 3363800, 3581600, 3620672, 4114400, 4525840, 4892800, 4978424, 5382080, 5657300, 6223030, 6727600, 7163200, 7241344, 8228800, 9051680, 9956848, 10764160, 11314600, 12446060, 13455200, 14326400, 15557575, 16457600, 18103360, 19913696, 22629200, 24892120, 26910400, 31115150, 36206720, 39827392, 45258400, 49784240, 53820800, 62230300, 79654784, 90516800, 99568480, 124460600, 181033600, 199136960, 248921200, 398273920, 497842400, 995684800, 1991369600]

約数ペア:

[(1, 1991369600), (2, 995684800), (4, 497842400), (5, 398273920), (8, 248921200), (10, 199136960), (11, 181033600), (16, 124460600), (20, 99568480), (22, 90516800), (25, 79654784), (32, 62230300), (37, 53820800), (40, 49784240), (44, 45258400), (50, 39827392), (55, 36206720), (64, 31115150), (74, 26910400), (80, 24892120), (88, 22629200), (100, 19913696), (110, 18103360), (121, 16457600), (128, 15557575), (139, 14326400), (148, 13455200), (160, 12446060), (176, 11314600), (185, 10764160), (200, 9956848), (220, 9051680), (242, 8228800), (275, 7241344), (278, 7163200), (296, 6727600), (320, 6223030), (352, 5657300), (370, 5382080), (400, 4978424), (407, 4892800), (440, 4525840), (484, 4114400), (550, 3620672), (556, 3581600), (592, 3363800), (605, 3291520), (640, 3111515), (695, 2865280), (704, 2828650), (740, 2691040), (800, 2489212), (814, 2446400), (880, 2262920), (925, 2152832), (968, 2057200), (1100, 1810336), (1112, 1790800), (1184, 1681900), (1210, 1645760), (1390, 1432640), (1408, 1414325), (1480, 1345520), (1529, 1302400), (1600, 1244606), (1628, 1223200), (1760, 1131460), (1850, 1076416), (1936, 1028600), (2035, 978560), (2200, 905168), (2224, 895400), (2368, 840950), (2420, 822880), (2780, 716320), (2960, 672760), (3025, 658304), (3058, 651200), (3200, 622303), (3256, 611600), (3475, 573056), (3520, 565730), (3700, 538208), (3872, 514300), (4070, 489280), (4400, 452584), (4448, 447700), (4477, 444800), (4736, 420475), (4840, 411440), (5143, 387200), (5560, 358160), (5920, 336380), (6050, 329152), (6116, 325600), (6512, 305800), (6950, 286528), (7040, 282865), (7400, 269104), (7645, 260480), (7744, 257150), (8140, 244640), (8800, 226292), (8896, 223850), (8954, 222400), (9680, 205720), (10175, 195712), (10286, 193600), (11120, 179080), (11840, 168190), (12100, 164576), (12232, 162800), (13024, 152900), (13900, 143264), (14800, 134552), (15290, 130240), (15488, 128575), (16280, 122320), (16819, 118400), (17600, 113146), (17792, 111925), (17908, 111200), (19360, 102860), (20350, 97856), (20572, 96800), (22240, 89540), (22385, 88960), (23680, 84095), (24200, 82288), (24464, 81400), (25715, 77440), (26048, 76450), (27800, 71632), (29600, 67276), (30580, 65120), (32560, 61160), (33638, 59200), (35200, 56573), (35816, 55600), (38225, 52096), (38720, 51430), (40700, 48928), (41144, 48400), (44480, 44770)]