451793990

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{1999}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 825552000

約数和(自身を除く): 373758010

約数列:

[1, 2, 5, 10, 97, 194, 233, 466, 485, 970, 1165, 1999, 2330, 3998, 9995, 19990, 22601, 45202, 113005, 193903, 226010, 387806, 465767, 931534, 969515, 1939030, 2328835, 4657670, 45179399, 90358798, 225896995, 451793990]

約数ペア:

[(1, 451793990), (2, 225896995), (5, 90358798), (10, 45179399), (97, 4657670), (194, 2328835), (233, 1939030), (466, 969515), (485, 931534), (970, 465767), (1165, 387806), (1999, 226010), (2330, 193903), (3998, 113005), (9995, 45202), (19990, 22601)]