31389260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224209}}^1$

素因数の和:224225

約数の個数: 24

約数和(自身を含む): 75334560

約数和(自身を除く): 43945300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224209, 448418, 896836, 1121045, 1569463, 2242090, 3138926, 4484180, 6277852, 7847315, 15694630, 31389260]

約数ペア:

[(1, 31389260), (2, 15694630), (4, 7847315), (5, 6277852), (7, 4484180), (10, 3138926), (14, 2242090), (20, 1569463), (28, 1121045), (35, 896836), (70, 448418), (140, 224209)]