420949400

素因数分解:

$2^3\times 5^2\times {\mathrm{2104747}}^1$

素因数の和:2104763

約数の個数: 24

約数和(自身を含む): 978707820

約数和(自身を除く): 557758420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2104747, 4209494, 8418988, 10523735, 16837976, 21047470, 42094940, 52618675, 84189880, 105237350, 210474700, 420949400]

約数ペア:

[(1, 420949400), (2, 210474700), (4, 105237350), (5, 84189880), (8, 52618675), (10, 42094940), (20, 21047470), (25, 16837976), (40, 10523735), (50, 8418988), (100, 4209494), (200, 2104747)]