2940380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 6256320

約数和(自身を除く): 3315940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1861, 3722, 7444, 9305, 18610, 37220, 147019, 294038, 588076, 735095, 1470190, 2940380]

約数ペア:

[(1, 2940380), (2, 1470190), (4, 735095), (5, 588076), (10, 294038), (20, 147019), (79, 37220), (158, 18610), (316, 9305), (395, 7444), (790, 3722), (1580, 1861)]