397330020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2207389}}^1$

素因数の和:2207404

約数の個数: 36

約数和(自身を含む): 1205234940

約数和(自身を除く): 807904920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2207389, 4414778, 6622167, 8829556, 11036945, 13244334, 19866501, 22073890, 26488668, 33110835, 39733002, 44147780, 66221670, 79466004, 99332505, 132443340, 198665010, 397330020]

約数ペア:

[(1, 397330020), (2, 198665010), (3, 132443340), (4, 99332505), (5, 79466004), (6, 66221670), (9, 44147780), (10, 39733002), (12, 33110835), (15, 26488668), (18, 22073890), (20, 19866501), (30, 13244334), (36, 11036945), (45, 8829556), (60, 6622167), (90, 4414778), (180, 2207389)]