620177540

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{99707}}^1$

素因数の和:100027

約数の個数: 24

約数和(自身を含む): 1306573632

約数和(自身を除く): 686396092

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 99707, 199414, 398828, 498535, 997070, 1994140, 31008877, 62017754, 124035508, 155044385, 310088770, 620177540]

約数ペア:

[(1, 620177540), (2, 310088770), (4, 155044385), (5, 124035508), (10, 62017754), (20, 31008877), (311, 1994140), (622, 997070), (1244, 498535), (1555, 398828), (3110, 199414), (6220, 99707)]