1078280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3851}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 2773440

約数和(自身を除く): 1695160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3851, 7702, 15404, 19255, 26957, 30808, 38510, 53914, 77020, 107828, 134785, 154040, 215656, 269570, 539140, 1078280]

約数ペア:

[(1, 1078280), (2, 539140), (4, 269570), (5, 215656), (7, 154040), (8, 134785), (10, 107828), (14, 77020), (20, 53914), (28, 38510), (35, 30808), (40, 26957), (56, 19255), (70, 15404), (140, 7702), (280, 3851)]