201834980

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{5641}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 424165560

約数和(自身を除く): 222330580

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 5641, 7156, 8945, 11282, 17890, 22564, 28205, 35780, 56410, 112820, 10091749, 20183498, 40366996, 50458745, 100917490, 201834980]

約数ペア:

[(1, 201834980), (2, 100917490), (4, 50458745), (5, 40366996), (10, 20183498), (20, 10091749), (1789, 112820), (3578, 56410), (5641, 35780), (7156, 28205), (8945, 22564), (11282, 17890)]