30275870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 56216160

約数和(自身を除く): 25940290

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 362, 389, 430, 778, 905, 1810, 1945, 3890, 7783, 15566, 16727, 33454, 38915, 70409, 77830, 83635, 140818, 167270, 352045, 704090, 3027587, 6055174, 15137935, 30275870]

約数ペア:

[(1, 30275870), (2, 15137935), (5, 6055174), (10, 3027587), (43, 704090), (86, 352045), (181, 167270), (215, 140818), (362, 83635), (389, 77830), (430, 70409), (778, 38915), (905, 33454), (1810, 16727), (1945, 15566), (3890, 7783)]