218930010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{561359}}^1$

素因数の和:561382

約数の個数: 32

約数和(自身を含む): 565850880

約数和(自身を除く): 346920870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 561359, 1122718, 1684077, 2806795, 3368154, 5613590, 7297667, 8420385, 14595334, 16840770, 21893001, 36488335, 43786002, 72976670, 109465005, 218930010]

約数ペア:

[(1, 218930010), (2, 109465005), (3, 72976670), (5, 43786002), (6, 36488335), (10, 21893001), (13, 16840770), (15, 14595334), (26, 8420385), (30, 7297667), (39, 5613590), (65, 3368154), (78, 2806795), (130, 1684077), (195, 1122718), (390, 561359)]