380522020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{70729}}^1$

素因数の和:71007

約数の個数: 24

約数和(自身を含む): 802078200

約数和(自身を除く): 421556180

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 70729, 141458, 282916, 353645, 707290, 1414580, 19026101, 38052202, 76104404, 95130505, 190261010, 380522020]

約数ペア:

[(1, 380522020), (2, 190261010), (4, 95130505), (5, 76104404), (10, 38052202), (20, 19026101), (269, 1414580), (538, 707290), (1076, 353645), (1345, 282916), (2690, 141458), (5380, 70729)]