290305510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{37171}}^1$

素因数の和:37260

約数の個数: 32

約数和(自身を含む): 578098944

約数和(自身を除く): 287793434

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 37171, 74342, 185855, 371710, 408881, 817762, 2044405, 2639141, 4088810, 5278282, 13195705, 26391410, 29030551, 58061102, 145152755, 290305510]

約数ペア:

[(1, 290305510), (2, 145152755), (5, 58061102), (10, 29030551), (11, 26391410), (22, 13195705), (55, 5278282), (71, 4088810), (110, 2639141), (142, 2044405), (355, 817762), (710, 408881), (781, 371710), (1562, 185855), (3905, 74342), (7810, 37171)]