657210040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 1501156800

約数和(自身を除く): 843946760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 269, 412, 515, 538, 593, 824, 1030, 1076, 1186, 1345, 2060, 2152, 2372, 2690, 2965, 4120, 4744, 5380, 5930, 10760, 11860, 23720, 27707, 55414, 61079, 110828, 122158, 138535, 159517, 221656, 244316, 277070, 305395, 319034, 488632, 554140, 610790, 638068, 797585, 1108280, 1221580, 1276136, 1595170, 2443160, 3190340, 6380680, 16430251, 32860502, 65721004, 82151255, 131442008, 164302510, 328605020, 657210040]

約数ペア:

[(1, 657210040), (2, 328605020), (4, 164302510), (5, 131442008), (8, 82151255), (10, 65721004), (20, 32860502), (40, 16430251), (103, 6380680), (206, 3190340), (269, 2443160), (412, 1595170), (515, 1276136), (538, 1221580), (593, 1108280), (824, 797585), (1030, 638068), (1076, 610790), (1186, 554140), (1345, 488632), (2060, 319034), (2152, 305395), (2372, 277070), (2690, 244316), (2965, 221656), (4120, 159517), (4744, 138535), (5380, 122158), (5930, 110828), (10760, 61079), (11860, 55414), (23720, 27707)]