1211700980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8655007}}^1$

素因数の和:8655023

約数の個数: 24

約数和(自身を含む): 2908082688

約数和(自身を除く): 1696381708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8655007, 17310014, 34620028, 43275035, 60585049, 86550070, 121170098, 173100140, 242340196, 302925245, 605850490, 1211700980]

約数ペア:

[(1, 1211700980), (2, 605850490), (4, 302925245), (5, 242340196), (7, 173100140), (10, 121170098), (14, 86550070), (20, 60585049), (28, 43275035), (35, 34620028), (70, 17310014), (140, 8655007)]