227942440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{821}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 561064320

約数和(自身を除く): 333121880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 631, 821, 1262, 1642, 2524, 3155, 3284, 4105, 5048, 6310, 6568, 6941, 8210, 9031, 12620, 13882, 16420, 18062, 25240, 27764, 32840, 34705, 36124, 45155, 55528, 69410, 72248, 90310, 138820, 180620, 277640, 361240, 518051, 1036102, 2072204, 2590255, 4144408, 5180510, 5698561, 10361020, 11397122, 20722040, 22794244, 28492805, 45588488, 56985610, 113971220, 227942440]

約数ペア:

[(1, 227942440), (2, 113971220), (4, 56985610), (5, 45588488), (8, 28492805), (10, 22794244), (11, 20722040), (20, 11397122), (22, 10361020), (40, 5698561), (44, 5180510), (55, 4144408), (88, 2590255), (110, 2072204), (220, 1036102), (440, 518051), (631, 361240), (821, 277640), (1262, 180620), (1642, 138820), (2524, 90310), (3155, 72248), (3284, 69410), (4105, 55528), (5048, 45155), (6310, 36124), (6568, 34705), (6941, 32840), (8210, 27764), (9031, 25240), (12620, 18062), (13882, 16420)]