401080690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2110951}}^1$

素因数の和:2110977

約数の個数: 16

約数和(自身を含む): 759942720

約数和(自身を除く): 358862030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2110951, 4221902, 10554755, 21109510, 40108069, 80216138, 200540345, 401080690]

約数ペア:

[(1, 401080690), (2, 200540345), (5, 80216138), (10, 40108069), (19, 21109510), (38, 10554755), (95, 4221902), (190, 2110951)]