378702980

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{42743}}^1$

素因数の和:43195

約数の個数: 24

約数和(自身を含む): 797090112

約数和(自身を除く): 418387132

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 42743, 85486, 170972, 213715, 427430, 854860, 18935149, 37870298, 75740596, 94675745, 189351490, 378702980]

約数ペア:

[(1, 378702980), (2, 189351490), (4, 94675745), (5, 75740596), (10, 37870298), (20, 18935149), (443, 854860), (886, 427430), (1772, 213715), (2215, 170972), (4430, 85486), (8860, 42743)]