64710940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462221}}^1$

素因数の和:462237

約数の個数: 24

約数和(自身を含む): 155306592

約数和(自身を除く): 90595652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462221, 924442, 1848884, 2311105, 3235547, 4622210, 6471094, 9244420, 12942188, 16177735, 32355470, 64710940]

約数ペア:

[(1, 64710940), (2, 32355470), (4, 16177735), (5, 12942188), (7, 9244420), (10, 6471094), (14, 4622210), (20, 3235547), (28, 2311105), (35, 1848884), (70, 924442), (140, 462221)]