388633340

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{77417}}^1$

素因数の和:77677

約数の個数: 24

約数和(自身を含む): 819392112

約数和(自身を除く): 430758772

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 77417, 154834, 309668, 387085, 774170, 1548340, 19431667, 38863334, 77726668, 97158335, 194316670, 388633340]

約数ペア:

[(1, 388633340), (2, 194316670), (4, 97158335), (5, 77726668), (10, 38863334), (20, 19431667), (251, 1548340), (502, 774170), (1004, 387085), (1255, 309668), (2510, 154834), (5020, 77417)]