78915970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{161053}}^1$

素因数の和:161074

約数の個数: 24

約数和(自身を含む): 165241404

約数和(自身を除く): 86325434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 161053, 322106, 805265, 1127371, 1610530, 2254742, 5636855, 7891597, 11273710, 15783194, 39457985, 78915970]

約数ペア:

[(1, 78915970), (2, 39457985), (5, 15783194), (7, 11273710), (10, 7891597), (14, 5636855), (35, 2254742), (49, 1610530), (70, 1127371), (98, 805265), (245, 322106), (490, 161053)]