42100220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 90574848

約数和(自身を除く): 48474628

約数列:

[1, 2, 4, 5, 10, 20, 103, 107, 191, 206, 214, 382, 412, 428, 515, 535, 764, 955, 1030, 1070, 1910, 2060, 2140, 3820, 11021, 19673, 20437, 22042, 39346, 40874, 44084, 55105, 78692, 81748, 98365, 102185, 110210, 196730, 204370, 220420, 393460, 408740, 2105011, 4210022, 8420044, 10525055, 21050110, 42100220]

約数ペア:

[(1, 42100220), (2, 21050110), (4, 10525055), (5, 8420044), (10, 4210022), (20, 2105011), (103, 408740), (107, 393460), (191, 220420), (206, 204370), (214, 196730), (382, 110210), (412, 102185), (428, 98365), (515, 81748), (535, 78692), (764, 55105), (955, 44084), (1030, 40874), (1070, 39346), (1910, 22042), (2060, 20437), (2140, 19673), (3820, 11021)]