378702020

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{16451}}^1$

素因数の和:17611

約数の個数: 24

約数和(自身を含む): 796013568

約数和(自身を除く): 417311548

約数列:

[1, 2, 4, 5, 10, 20, 1151, 2302, 4604, 5755, 11510, 16451, 23020, 32902, 65804, 82255, 164510, 329020, 18935101, 37870202, 75740404, 94675505, 189351010, 378702020]

約数ペア:

[(1, 378702020), (2, 189351010), (4, 94675505), (5, 75740404), (10, 37870202), (20, 18935101), (1151, 329020), (2302, 164510), (4604, 82255), (5755, 65804), (11510, 32902), (16451, 23020)]