319970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{653}}^1$

素因数の和:674

約数の個数: 24

約数和(自身を含む): 671004

約数和(自身を除く): 351034

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 653, 1306, 3265, 4571, 6530, 9142, 22855, 31997, 45710, 63994, 159985, 319970]

約数ペア:

[(1, 319970), (2, 159985), (5, 63994), (7, 45710), (10, 31997), (14, 22855), (35, 9142), (49, 6530), (70, 4571), (98, 3265), (245, 1306), (490, 653)]