402857540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{468439}}^1$

素因数の和:468491

約数の個数: 24

約数和(自身を含む): 865677120

約数和(自身を除く): 462819580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 468439, 936878, 1873756, 2342195, 4684390, 9368780, 20142877, 40285754, 80571508, 100714385, 201428770, 402857540]

約数ペア:

[(1, 402857540), (2, 201428770), (4, 100714385), (5, 80571508), (10, 40285754), (20, 20142877), (43, 9368780), (86, 4684390), (172, 2342195), (215, 1873756), (430, 936878), (860, 468439)]