403719020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{380867}}^1$

素因数の和:380929

約数の個数: 24

約数和(自身を含む): 863808624

約数和(自身を除く): 460089604

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 380867, 761734, 1523468, 1904335, 3808670, 7617340, 20185951, 40371902, 80743804, 100929755, 201859510, 403719020]

約数ペア:

[(1, 403719020), (2, 201859510), (4, 100929755), (5, 80743804), (10, 40371902), (20, 20185951), (53, 7617340), (106, 3808670), (212, 1904335), (265, 1523468), (530, 761734), (1060, 380867)]