149883700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 336853440

約数和(自身を除く): 186969740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 139, 164, 205, 263, 278, 410, 526, 556, 695, 820, 1025, 1052, 1315, 1390, 2050, 2630, 2780, 3475, 4100, 5260, 5699, 6575, 6950, 10783, 11398, 13150, 13900, 21566, 22796, 26300, 28495, 36557, 43132, 53915, 56990, 73114, 107830, 113980, 142475, 146228, 182785, 215660, 269575, 284950, 365570, 539150, 569900, 731140, 913925, 1078300, 1498837, 1827850, 2997674, 3655700, 5995348, 7494185, 14988370, 29976740, 37470925, 74941850, 149883700]

約数ペア:

[(1, 149883700), (2, 74941850), (4, 37470925), (5, 29976740), (10, 14988370), (20, 7494185), (25, 5995348), (41, 3655700), (50, 2997674), (82, 1827850), (100, 1498837), (139, 1078300), (164, 913925), (205, 731140), (263, 569900), (278, 539150), (410, 365570), (526, 284950), (556, 269575), (695, 215660), (820, 182785), (1025, 146228), (1052, 142475), (1315, 113980), (1390, 107830), (2050, 73114), (2630, 56990), (2780, 53915), (3475, 43132), (4100, 36557), (5260, 28495), (5699, 26300), (6575, 22796), (6950, 21566), (10783, 13900), (11398, 13150)]