1861580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13297}}^1$

素因数の和:13313

約数の個数: 24

約数和(自身を含む): 4468128

約数和(自身を除く): 2606548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13297, 26594, 53188, 66485, 93079, 132970, 186158, 265940, 372316, 465395, 930790, 1861580]

約数ペア:

[(1, 1861580), (2, 930790), (4, 465395), (5, 372316), (7, 265940), (10, 186158), (14, 132970), (20, 93079), (28, 66485), (35, 53188), (70, 26594), (140, 13297)]