421906580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{117851}}^1$

素因数の和:118039

約数の個数: 24

約数和(自身を含む): 890961120

約数和(自身を除く): 469054540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 117851, 235702, 471404, 589255, 1178510, 2357020, 21095329, 42190658, 84381316, 105476645, 210953290, 421906580]

約数ペア:

[(1, 421906580), (2, 210953290), (4, 105476645), (5, 84381316), (10, 42190658), (20, 21095329), (179, 2357020), (358, 1178510), (716, 589255), (895, 471404), (1790, 235702), (3580, 117851)]