238907420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{1171}}^1$

素因数の和:1382

約数の個数: 36

約数和(自身を含む): 507154872

約数和(自身を除く): 268247452

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1171, 2020, 2342, 4684, 5855, 10201, 11710, 20402, 23420, 40804, 51005, 102010, 118271, 204020, 236542, 473084, 591355, 1182710, 2365420, 11945371, 23890742, 47781484, 59726855, 119453710, 238907420]

約数ペア:

[(1, 238907420), (2, 119453710), (4, 59726855), (5, 47781484), (10, 23890742), (20, 11945371), (101, 2365420), (202, 1182710), (404, 591355), (505, 473084), (1010, 236542), (1171, 204020), (2020, 118271), (2342, 102010), (4684, 51005), (5855, 40804), (10201, 23420), (11710, 20402)]