997615960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 2612332800

約数和(自身を除く): 1614716840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 88, 109, 110, 121, 122, 124, 155, 218, 220, 242, 244, 248, 305, 310, 341, 436, 440, 484, 488, 545, 605, 610, 620, 671, 682, 872, 968, 1090, 1199, 1210, 1220, 1240, 1342, 1364, 1705, 1891, 2180, 2398, 2420, 2440, 2684, 2728, 3355, 3379, 3410, 3751, 3782, 4360, 4796, 4840, 5368, 5995, 6649, 6710, 6758, 6820, 7381, 7502, 7564, 9455, 9592, 11990, 13189, 13298, 13420, 13516, 13640, 14762, 15004, 15128, 16895, 18755, 18910, 20801, 23980, 26378, 26596, 26840, 27032, 29524, 30008, 33245, 33790, 36905, 37169, 37510, 37820, 41602, 47960, 52756, 53192, 59048, 65945, 66490, 67580, 73139, 73810, 74338, 75020, 75640, 83204, 104005, 105512, 131890, 132980, 135160, 146278, 147620, 148676, 150040, 166408, 185845, 206119, 208010, 228811, 263780, 265960, 292556, 295240, 297352, 365695, 371690, 408859, 412238, 416020, 457622, 527560, 585112, 731390, 743380, 804529, 817718, 824476, 832040, 915244, 1030595, 1144055, 1462780, 1486760, 1609058, 1635436, 1648952, 1830488, 2044295, 2061190, 2267309, 2288110, 2925560, 3218116, 3270872, 4022645, 4088590, 4122380, 4534618, 4576220, 6436232, 8045290, 8177180, 8244760, 9069236, 9152440, 11336545, 16090580, 16354360, 18138472, 22673090, 24940399, 32181160, 45346180, 49880798, 90692360, 99761596, 124701995, 199523192, 249403990, 498807980, 997615960]

約数ペア:

[(1, 997615960), (2, 498807980), (4, 249403990), (5, 199523192), (8, 124701995), (10, 99761596), (11, 90692360), (20, 49880798), (22, 45346180), (31, 32181160), (40, 24940399), (44, 22673090), (55, 18138472), (61, 16354360), (62, 16090580), (88, 11336545), (109, 9152440), (110, 9069236), (121, 8244760), (122, 8177180), (124, 8045290), (155, 6436232), (218, 4576220), (220, 4534618), (242, 4122380), (244, 4088590), (248, 4022645), (305, 3270872), (310, 3218116), (341, 2925560), (436, 2288110), (440, 2267309), (484, 2061190), (488, 2044295), (545, 1830488), (605, 1648952), (610, 1635436), (620, 1609058), (671, 1486760), (682, 1462780), (872, 1144055), (968, 1030595), (1090, 915244), (1199, 832040), (1210, 824476), (1220, 817718), (1240, 804529), (1342, 743380), (1364, 731390), (1705, 585112), (1891, 527560), (2180, 457622), (2398, 416020), (2420, 412238), (2440, 408859), (2684, 371690), (2728, 365695), (3355, 297352), (3379, 295240), (3410, 292556), (3751, 265960), (3782, 263780), (4360, 228811), (4796, 208010), (4840, 206119), (5368, 185845), (5995, 166408), (6649, 150040), (6710, 148676), (6758, 147620), (6820, 146278), (7381, 135160), (7502, 132980), (7564, 131890), (9455, 105512), (9592, 104005), (11990, 83204), (13189, 75640), (13298, 75020), (13420, 74338), (13516, 73810), (13640, 73139), (14762, 67580), (15004, 66490), (15128, 65945), (16895, 59048), (18755, 53192), (18910, 52756), (20801, 47960), (23980, 41602), (26378, 37820), (26596, 37510), (26840, 37169), (27032, 36905), (29524, 33790), (30008, 33245)]