251816570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{6247}}^1$

素因数の和:6422

約数の個数: 32

約数和(自身を含む): 472348800

約数和(自身を除く): 220532230

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 6247, 8062, 12494, 20155, 31235, 40310, 62470, 181163, 362326, 868333, 905815, 1736666, 1811630, 4341665, 8683330, 25181657, 50363314, 125908285, 251816570]

約数ペア:

[(1, 251816570), (2, 125908285), (5, 50363314), (10, 25181657), (29, 8683330), (58, 4341665), (139, 1811630), (145, 1736666), (278, 905815), (290, 868333), (695, 362326), (1390, 181163), (4031, 62470), (6247, 40310), (8062, 31235), (12494, 20155)]