749207920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{217793}}^1$

素因数の和:217849

約数の個数: 40

約数和(自身を含む): 1782426096

約数和(自身を除く): 1033218176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 217793, 435586, 871172, 1088965, 1742344, 2177930, 3484688, 4355860, 8711720, 9365099, 17423440, 18730198, 37460396, 46825495, 74920792, 93650990, 149841584, 187301980, 374603960, 749207920]

約数ペア:

[(1, 749207920), (2, 374603960), (4, 187301980), (5, 149841584), (8, 93650990), (10, 74920792), (16, 46825495), (20, 37460396), (40, 18730198), (43, 17423440), (80, 9365099), (86, 8711720), (172, 4355860), (215, 3484688), (344, 2177930), (430, 1742344), (688, 1088965), (860, 871172), (1720, 435586), (3440, 217793)]