617812540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{299909}}^1$

素因数の和:300021

約数の個数: 24

約数和(自身を含む): 1310006880

約数和(自身を除く): 692194340

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 299909, 599818, 1199636, 1499545, 2999090, 5998180, 30890627, 61781254, 123562508, 154453135, 308906270, 617812540]

約数ペア:

[(1, 617812540), (2, 308906270), (4, 154453135), (5, 123562508), (10, 61781254), (20, 30890627), (103, 5998180), (206, 2999090), (412, 1499545), (515, 1199636), (1030, 599818), (2060, 299909)]