210664580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1504747}}^1$

素因数の和:1504763

約数の個数: 24

約数和(自身を含む): 505595328

約数和(自身を除く): 294930748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1504747, 3009494, 6018988, 7523735, 10533229, 15047470, 21066458, 30094940, 42132916, 52666145, 105332290, 210664580]

約数ペア:

[(1, 210664580), (2, 105332290), (4, 52666145), (5, 42132916), (7, 30094940), (10, 21066458), (14, 15047470), (20, 10533229), (28, 7523735), (35, 6018988), (70, 3009494), (140, 1504747)]