290495010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{744859}}^1$

素因数の和:744882

約数の個数: 32

約数和(自身を含む): 750818880

約数和(自身を除く): 460323870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 744859, 1489718, 2234577, 3724295, 4469154, 7448590, 9683167, 11172885, 19366334, 22345770, 29049501, 48415835, 58099002, 96831670, 145247505, 290495010]

約数ペア:

[(1, 290495010), (2, 145247505), (3, 96831670), (5, 58099002), (6, 48415835), (10, 29049501), (13, 22345770), (15, 19366334), (26, 11172885), (30, 9683167), (39, 7448590), (65, 4469154), (78, 3724295), (130, 2234577), (195, 1489718), (390, 744859)]