42217100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2143}}^1$

素因数の和:2354

約数の個数: 36

約数和(自身を含む): 92119104

約数和(自身を除く): 49902004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 2143, 3940, 4286, 4925, 8572, 9850, 10715, 19700, 21430, 42860, 53575, 107150, 214300, 422171, 844342, 1688684, 2110855, 4221710, 8443420, 10554275, 21108550, 42217100]

約数ペア:

[(1, 42217100), (2, 21108550), (4, 10554275), (5, 8443420), (10, 4221710), (20, 2110855), (25, 1688684), (50, 844342), (100, 422171), (197, 214300), (394, 107150), (788, 53575), (985, 42860), (1970, 21430), (2143, 19700), (3940, 10715), (4286, 9850), (4925, 8572)]