30850870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 58744800

約数和(自身を除く): 27893930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 397, 409, 794, 818, 1985, 2045, 3970, 4090, 7543, 7771, 15086, 15542, 37715, 38855, 75430, 77710, 162373, 324746, 811865, 1623730, 3085087, 6170174, 15425435, 30850870]

約数ペア:

[(1, 30850870), (2, 15425435), (5, 6170174), (10, 3085087), (19, 1623730), (38, 811865), (95, 324746), (190, 162373), (397, 77710), (409, 75430), (794, 38855), (818, 37715), (1985, 15542), (2045, 15086), (3970, 7771), (4090, 7543)]