201425420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1438753}}^1$

素因数の和:1438769

約数の個数: 24

約数和(自身を含む): 483421344

約数和(自身を除く): 281995924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1438753, 2877506, 5755012, 7193765, 10071271, 14387530, 20142542, 28775060, 40285084, 50356355, 100712710, 201425420]

約数ペア:

[(1, 201425420), (2, 100712710), (4, 50356355), (5, 40285084), (7, 28775060), (10, 20142542), (14, 14387530), (20, 10071271), (28, 7193765), (35, 5755012), (70, 2877506), (140, 1438753)]