315027940

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{19139}}^1$

素因数の和:19971

約数の個数: 24

約数和(自身を含む): 662397120

約数和(自身を除く): 347369180

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 16460, 19139, 38278, 76556, 95695, 191390, 382780, 15751397, 31502794, 63005588, 78756985, 157513970, 315027940]

約数ペア:

[(1, 315027940), (2, 157513970), (4, 78756985), (5, 63005588), (10, 31502794), (20, 15751397), (823, 382780), (1646, 191390), (3292, 95695), (4115, 76556), (8230, 38278), (16460, 19139)]