28996900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 68573736

約数和(自身を除く): 39576836

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 340, 370, 425, 461, 629, 740, 850, 922, 925, 1258, 1700, 1844, 1850, 2305, 2516, 3145, 3700, 4610, 6290, 7837, 9220, 11525, 12580, 15674, 15725, 17057, 23050, 31348, 31450, 34114, 39185, 46100, 62900, 68228, 78370, 85285, 156740, 170570, 195925, 289969, 341140, 391850, 426425, 579938, 783700, 852850, 1159876, 1449845, 1705700, 2899690, 5799380, 7249225, 14498450, 28996900]

約数ペア:

[(1, 28996900), (2, 14498450), (4, 7249225), (5, 5799380), (10, 2899690), (17, 1705700), (20, 1449845), (25, 1159876), (34, 852850), (37, 783700), (50, 579938), (68, 426425), (74, 391850), (85, 341140), (100, 289969), (148, 195925), (170, 170570), (185, 156740), (340, 85285), (370, 78370), (425, 68228), (461, 62900), (629, 46100), (740, 39185), (850, 34114), (922, 31450), (925, 31348), (1258, 23050), (1700, 17057), (1844, 15725), (1850, 15674), (2305, 12580), (2516, 11525), (3145, 9220), (3700, 7837), (4610, 6290)]