503449640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{659}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 1154736000

約数和(自身を除く): 651286360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 269, 284, 355, 538, 568, 659, 710, 1076, 1318, 1345, 1420, 2152, 2636, 2690, 2840, 3295, 5272, 5380, 6590, 10760, 13180, 19099, 26360, 38198, 46789, 76396, 93578, 95495, 152792, 177271, 187156, 190990, 233945, 354542, 374312, 381980, 467890, 709084, 763960, 886355, 935780, 1418168, 1772710, 1871560, 3545420, 7090840, 12586241, 25172482, 50344964, 62931205, 100689928, 125862410, 251724820, 503449640]

約数ペア:

[(1, 503449640), (2, 251724820), (4, 125862410), (5, 100689928), (8, 62931205), (10, 50344964), (20, 25172482), (40, 12586241), (71, 7090840), (142, 3545420), (269, 1871560), (284, 1772710), (355, 1418168), (538, 935780), (568, 886355), (659, 763960), (710, 709084), (1076, 467890), (1318, 381980), (1345, 374312), (1420, 354542), (2152, 233945), (2636, 190990), (2690, 187156), (2840, 177271), (3295, 152792), (5272, 95495), (5380, 93578), (6590, 76396), (10760, 46789), (13180, 38198), (19099, 26360)]