198779620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11411}}^1$

素因数の和:11500

約数の個数: 48

約数和(自身を含む): 456297408

約数和(自身を除く): 257517788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 11411, 17420, 22822, 45644, 57055, 114110, 148343, 228220, 296686, 593372, 741715, 764537, 1483430, 1529074, 2966860, 3058148, 3822685, 7645370, 9938981, 15290740, 19877962, 39755924, 49694905, 99389810, 198779620]

約数ペア:

[(1, 198779620), (2, 99389810), (4, 49694905), (5, 39755924), (10, 19877962), (13, 15290740), (20, 9938981), (26, 7645370), (52, 3822685), (65, 3058148), (67, 2966860), (130, 1529074), (134, 1483430), (260, 764537), (268, 741715), (335, 593372), (670, 296686), (871, 228220), (1340, 148343), (1742, 114110), (3484, 57055), (4355, 45644), (8710, 22822), (11411, 17420)]