72802940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520021}}^1$

素因数の和:520037

約数の個数: 24

約数和(自身を含む): 174727392

約数和(自身を除く): 101924452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520021, 1040042, 2080084, 2600105, 3640147, 5200210, 7280294, 10400420, 14560588, 18200735, 36401470, 72802940]

約数ペア:

[(1, 72802940), (2, 36401470), (4, 18200735), (5, 14560588), (7, 10400420), (10, 7280294), (14, 5200210), (20, 3640147), (28, 2600105), (35, 2080084), (70, 1040042), (140, 520021)]