681971780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4871227}}^1$

素因数の和:4871243

約数の個数: 24

約数和(自身を含む): 1636732608

約数和(自身を除く): 954760828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4871227, 9742454, 19484908, 24356135, 34098589, 48712270, 68197178, 97424540, 136394356, 170492945, 340985890, 681971780]

約数ペア:

[(1, 681971780), (2, 340985890), (4, 170492945), (5, 136394356), (7, 97424540), (10, 68197178), (14, 48712270), (20, 34098589), (28, 24356135), (35, 19484908), (70, 9742454), (140, 4871227)]