404016290

素因数分解:

$2^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{18959}}^1$

素因数の和:21097

約数の個数: 16

約数和(自身を含む): 727608960

約数和(自身を除く): 323592670

約数列:

[1, 2, 5, 10, 2131, 4262, 10655, 18959, 21310, 37918, 94795, 189590, 40401629, 80803258, 202008145, 404016290]

約数ペア:

[(1, 404016290), (2, 202008145), (5, 80803258), (10, 40401629), (2131, 189590), (4262, 94795), (10655, 37918), (18959, 21310)]