30189910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 55785024

約数和(自身を除く): 25595114

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 421, 505, 710, 842, 1010, 2105, 4210, 7171, 14342, 29891, 35855, 42521, 59782, 71710, 85042, 149455, 212605, 298910, 425210, 3018991, 6037982, 15094955, 30189910]

約数ペア:

[(1, 30189910), (2, 15094955), (5, 6037982), (10, 3018991), (71, 425210), (101, 298910), (142, 212605), (202, 149455), (355, 85042), (421, 71710), (505, 59782), (710, 42521), (842, 35855), (1010, 29891), (2105, 14342), (4210, 7171)]