128240200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 330246720

約数和(自身を除く): 202006520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 142, 200, 220, 275, 284, 355, 440, 550, 568, 710, 781, 821, 1100, 1420, 1562, 1642, 1775, 2200, 2840, 3124, 3284, 3550, 3905, 4105, 6248, 6568, 7100, 7810, 8210, 9031, 14200, 15620, 16420, 18062, 19525, 20525, 31240, 32840, 36124, 39050, 41050, 45155, 58291, 72248, 78100, 82100, 90310, 116582, 156200, 164200, 180620, 225775, 233164, 291455, 361240, 451550, 466328, 582910, 641201, 903100, 1165820, 1282402, 1457275, 1806200, 2331640, 2564804, 2914550, 3206005, 5129608, 5829100, 6412010, 11658200, 12824020, 16030025, 25648040, 32060050, 64120100, 128240200]

約数ペア:

[(1, 128240200), (2, 64120100), (4, 32060050), (5, 25648040), (8, 16030025), (10, 12824020), (11, 11658200), (20, 6412010), (22, 5829100), (25, 5129608), (40, 3206005), (44, 2914550), (50, 2564804), (55, 2331640), (71, 1806200), (88, 1457275), (100, 1282402), (110, 1165820), (142, 903100), (200, 641201), (220, 582910), (275, 466328), (284, 451550), (355, 361240), (440, 291455), (550, 233164), (568, 225775), (710, 180620), (781, 164200), (821, 156200), (1100, 116582), (1420, 90310), (1562, 82100), (1642, 78100), (1775, 72248), (2200, 58291), (2840, 45155), (3124, 41050), (3284, 39050), (3550, 36124), (3905, 32840), (4105, 31240), (6248, 20525), (6568, 19525), (7100, 18062), (7810, 16420), (8210, 15620), (9031, 14200)]