15245830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 28226880

約数和(自身を除く): 12981050

約数列:

[1, 2, 5, 10, 71, 109, 142, 197, 218, 355, 394, 545, 710, 985, 1090, 1970, 7739, 13987, 15478, 21473, 27974, 38695, 42946, 69935, 77390, 107365, 139870, 214730, 1524583, 3049166, 7622915, 15245830]

約数ペア:

[(1, 15245830), (2, 7622915), (5, 3049166), (10, 1524583), (71, 214730), (109, 139870), (142, 107365), (197, 77390), (218, 69935), (355, 42946), (394, 38695), (545, 27974), (710, 21473), (985, 15478), (1090, 13987), (1970, 7739)]