200338945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 259983360

約数和(自身を除く): 59644415

約数列:

[1, 5, 19, 61, 95, 181, 191, 305, 905, 955, 1159, 3439, 3629, 5795, 11041, 11651, 17195, 18145, 34571, 55205, 58255, 172855, 209779, 221369, 656849, 1048895, 1106845, 2108831, 3284245, 10544155, 40067789, 200338945]

約数ペア:

[(1, 200338945), (5, 40067789), (19, 10544155), (61, 3284245), (95, 2108831), (181, 1106845), (191, 1048895), (305, 656849), (905, 221369), (955, 209779), (1159, 172855), (3439, 58255), (3629, 55205), (5795, 34571), (11041, 18145), (11651, 17195)]