68974820

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{7481}}^1$

素因数の和:7951

約数の個数: 24

約数和(自身を含む): 145180728

約数和(自身を除く): 76205908

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 7481, 9220, 14962, 29924, 37405, 74810, 149620, 3448741, 6897482, 13794964, 17243705, 34487410, 68974820]

約数ペア:

[(1, 68974820), (2, 34487410), (4, 17243705), (5, 13794964), (10, 6897482), (20, 3448741), (461, 149620), (922, 74810), (1844, 37405), (2305, 29924), (4610, 14962), (7481, 9220)]