71618260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511559}}^1$

素因数の和:511575

約数の個数: 24

約数和(自身を含む): 171884160

約数和(自身を除く): 100265900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511559, 1023118, 2046236, 2557795, 3580913, 5115590, 7161826, 10231180, 14323652, 17904565, 35809130, 71618260]

約数ペア:

[(1, 71618260), (2, 35809130), (4, 17904565), (5, 14323652), (7, 10231180), (10, 7161826), (14, 5115590), (20, 3580913), (28, 2557795), (35, 2046236), (70, 1023118), (140, 511559)]