285659780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2040427}}^1$

素因数の和:2040443

約数の個数: 24

約数和(自身を含む): 685583808

約数和(自身を除く): 399924028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2040427, 4080854, 8161708, 10202135, 14282989, 20404270, 28565978, 40808540, 57131956, 71414945, 142829890, 285659780]

約数ペア:

[(1, 285659780), (2, 142829890), (4, 71414945), (5, 57131956), (7, 40808540), (10, 28565978), (14, 20404270), (20, 14282989), (28, 10202135), (35, 8161708), (70, 4080854), (140, 2040427)]