198349640

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{3371}}^1$

素因数の和:4853

約数の個数: 32

約数和(自身を含む): 446722560

約数和(自身を除く): 248372920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 3371, 5884, 6742, 7355, 11768, 13484, 14710, 16855, 26968, 29420, 33710, 58840, 67420, 134840, 4958741, 9917482, 19834964, 24793705, 39669928, 49587410, 99174820, 198349640]

約数ペア:

[(1, 198349640), (2, 99174820), (4, 49587410), (5, 39669928), (8, 24793705), (10, 19834964), (20, 9917482), (40, 4958741), (1471, 134840), (2942, 67420), (3371, 58840), (5884, 33710), (6742, 29420), (7355, 26968), (11768, 16855), (13484, 14710)]