4217620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 10180800

約数和(自身を除く): 5963180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1009, 1045, 2018, 2090, 4036, 4180, 5045, 10090, 11099, 19171, 20180, 22198, 38342, 44396, 55495, 76684, 95855, 110990, 191710, 210881, 221980, 383420, 421762, 843524, 1054405, 2108810, 4217620]

約数ペア:

[(1, 4217620), (2, 2108810), (4, 1054405), (5, 843524), (10, 421762), (11, 383420), (19, 221980), (20, 210881), (22, 191710), (38, 110990), (44, 95855), (55, 76684), (76, 55495), (95, 44396), (110, 38342), (190, 22198), (209, 20180), (220, 19171), (380, 11099), (418, 10090), (836, 5045), (1009, 4180), (1045, 4036), (2018, 2090)]