64894340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463531}}^1$

素因数の和:463547

約数の個数: 24

約数和(自身を含む): 155746752

約数和(自身を除く): 90852412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463531, 927062, 1854124, 2317655, 3244717, 4635310, 6489434, 9270620, 12978868, 16223585, 32447170, 64894340]

約数ペア:

[(1, 64894340), (2, 32447170), (4, 16223585), (5, 12978868), (7, 9270620), (10, 6489434), (14, 4635310), (20, 3244717), (28, 2317655), (35, 1854124), (70, 927062), (140, 463531)]