2489627770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 5417510400

約数和(自身を除く): 2927882630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 73, 98, 122, 146, 163, 245, 305, 326, 343, 365, 427, 490, 511, 610, 686, 730, 815, 854, 1022, 1141, 1630, 1715, 2135, 2282, 2555, 2989, 3430, 3577, 4270, 4453, 5110, 5705, 5978, 7154, 7987, 8906, 9943, 11410, 11899, 14945, 15974, 17885, 19886, 20923, 22265, 23798, 25039, 29890, 31171, 35770, 39935, 41846, 44530, 49715, 50078, 55909, 59495, 62342, 69601, 79870, 83293, 99430, 104615, 111818, 118990, 125195, 139202, 155855, 166586, 209230, 218197, 250390, 279545, 311710, 348005, 416465, 436394, 487207, 559090, 583051, 696010, 725839, 832930, 974414, 1090985, 1166102, 1451678, 1527379, 2181970, 2436035, 2915255, 3054758, 3410449, 3629195, 4081357, 4872070, 5080873, 5830510, 6820898, 7258390, 7636895, 8162714, 10161746, 15273790, 17052245, 20406785, 25404365, 34104490, 35566111, 40813570, 50808730, 71132222, 177830555, 248962777, 355661110, 497925554, 1244813885, 2489627770]

約数ペア:

[(1, 2489627770), (2, 1244813885), (5, 497925554), (7, 355661110), (10, 248962777), (14, 177830555), (35, 71132222), (49, 50808730), (61, 40813570), (70, 35566111), (73, 34104490), (98, 25404365), (122, 20406785), (146, 17052245), (163, 15273790), (245, 10161746), (305, 8162714), (326, 7636895), (343, 7258390), (365, 6820898), (427, 5830510), (490, 5080873), (511, 4872070), (610, 4081357), (686, 3629195), (730, 3410449), (815, 3054758), (854, 2915255), (1022, 2436035), (1141, 2181970), (1630, 1527379), (1715, 1451678), (2135, 1166102), (2282, 1090985), (2555, 974414), (2989, 832930), (3430, 725839), (3577, 696010), (4270, 583051), (4453, 559090), (5110, 487207), (5705, 436394), (5978, 416465), (7154, 348005), (7987, 311710), (8906, 279545), (9943, 250390), (11410, 218197), (11899, 209230), (14945, 166586), (15974, 155855), (17885, 139202), (19886, 125195), (20923, 118990), (22265, 111818), (23798, 104615), (25039, 99430), (29890, 83293), (31171, 79870), (35770, 69601), (39935, 62342), (41846, 59495), (44530, 55909), (49715, 50078)]