409535890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{2099}}^1$

素因数の和:2394

約数の個数: 32

約数和(自身を含む): 748440000

約数和(自身を除く): 338904110

約数列:

[1, 2, 5, 10, 109, 179, 218, 358, 545, 895, 1090, 1790, 2099, 4198, 10495, 19511, 20990, 39022, 97555, 195110, 228791, 375721, 457582, 751442, 1143955, 1878605, 2287910, 3757210, 40953589, 81907178, 204767945, 409535890]

約数ペア:

[(1, 409535890), (2, 204767945), (5, 81907178), (10, 40953589), (109, 3757210), (179, 2287910), (218, 1878605), (358, 1143955), (545, 751442), (895, 457582), (1090, 375721), (1790, 228791), (2099, 195110), (4198, 97555), (10495, 39022), (19511, 20990)]