284387620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{2879}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 653184000

約数和(自身を除く): 368796380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 898, 1796, 2245, 2879, 4490, 4939, 5758, 8980, 9878, 11516, 14395, 19756, 24695, 28790, 31669, 49390, 57580, 63338, 98780, 126676, 158345, 316690, 633380, 1292671, 2585342, 5170684, 6463355, 12926710, 14219381, 25853420, 28438762, 56877524, 71096905, 142193810, 284387620]

約数ペア:

[(1, 284387620), (2, 142193810), (4, 71096905), (5, 56877524), (10, 28438762), (11, 25853420), (20, 14219381), (22, 12926710), (44, 6463355), (55, 5170684), (110, 2585342), (220, 1292671), (449, 633380), (898, 316690), (1796, 158345), (2245, 126676), (2879, 98780), (4490, 63338), (4939, 57580), (5758, 49390), (8980, 31669), (9878, 28790), (11516, 24695), (14395, 19756)]