206987480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{739241}}^1$

素因数の和:739259

約数の個数: 32

約数和(自身を含む): 532254240

約数和(自身を除く): 325266760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 739241, 1478482, 2956964, 3696205, 5174687, 5913928, 7392410, 10349374, 14784820, 20698748, 25873435, 29569640, 41397496, 51746870, 103493740, 206987480]

約数ペア:

[(1, 206987480), (2, 103493740), (4, 51746870), (5, 41397496), (7, 29569640), (8, 25873435), (10, 20698748), (14, 14784820), (20, 10349374), (28, 7392410), (35, 5913928), (40, 5174687), (56, 3696205), (70, 2956964), (140, 1478482), (280, 739241)]