30493880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17729}}^1$

素因数の和:17783

約数の個数: 32

約数和(自身を含む): 70210800

約数和(自身を除く): 39716920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17729, 35458, 70916, 88645, 141832, 177290, 354580, 709160, 762347, 1524694, 3049388, 3811735, 6098776, 7623470, 15246940, 30493880]

約数ペア:

[(1, 30493880), (2, 15246940), (4, 7623470), (5, 6098776), (8, 3811735), (10, 3049388), (20, 1524694), (40, 762347), (43, 709160), (86, 354580), (172, 177290), (215, 141832), (344, 88645), (430, 70916), (860, 35458), (1720, 17729)]