257077947100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{355031}}^1$

素因数の和:355615

約数の個数: 72

約数和(自身を含む): 601851666528

約数和(自身を除く): 344773719428

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 557, 650, 1114, 1300, 2228, 2785, 5570, 7241, 11140, 13925, 14482, 27850, 28964, 36205, 55700, 72410, 144820, 181025, 355031, 362050, 710062, 724100, 1420124, 1775155, 3550310, 4615403, 7100620, 8875775, 9230806, 17751550, 18461612, 23077015, 35503100, 46154030, 92308060, 115385075, 197752267, 230770150, 395504534, 461540300, 791009068, 988761335, 1977522670, 2570779471, 3955045340, 4943806675, 5141558942, 9887613350, 10283117884, 12853897355, 19775226700, 25707794710, 51415589420, 64269486775, 128538973550, 257077947100]

約数ペア:

[(1, 257077947100), (2, 128538973550), (4, 64269486775), (5, 51415589420), (10, 25707794710), (13, 19775226700), (20, 12853897355), (25, 10283117884), (26, 9887613350), (50, 5141558942), (52, 4943806675), (65, 3955045340), (100, 2570779471), (130, 1977522670), (260, 988761335), (325, 791009068), (557, 461540300), (650, 395504534), (1114, 230770150), (1300, 197752267), (2228, 115385075), (2785, 92308060), (5570, 46154030), (7241, 35503100), (11140, 23077015), (13925, 18461612), (14482, 17751550), (27850, 9230806), (28964, 8875775), (36205, 7100620), (55700, 4615403), (72410, 3550310), (144820, 1775155), (181025, 1420124), (355031, 724100), (362050, 710062)]