142904240

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4243}}^1$

素因数の和:4677

約数の個数: 40

約数和(自身を含む): 333120048

約数和(自身を除く): 190215808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4243, 6736, 8420, 8486, 16840, 16972, 21215, 33680, 33944, 42430, 67888, 84860, 169720, 339440, 1786303, 3572606, 7145212, 8931515, 14290424, 17863030, 28580848, 35726060, 71452120, 142904240]

約数ペア:

[(1, 142904240), (2, 71452120), (4, 35726060), (5, 28580848), (8, 17863030), (10, 14290424), (16, 8931515), (20, 7145212), (40, 3572606), (80, 1786303), (421, 339440), (842, 169720), (1684, 84860), (2105, 67888), (3368, 42430), (4210, 33944), (4243, 33680), (6736, 21215), (8420, 16972), (8486, 16840)]