87985660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3511}}^1$

素因数の和:3706

約数の個数: 48

約数和(自身を含む): 212405760

約数和(自身を除く): 124420100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3511, 3580, 5012, 6265, 7022, 12530, 14044, 17555, 24577, 25060, 35110, 49154, 70220, 98308, 122885, 245770, 491540, 628469, 1256938, 2513876, 3142345, 4399283, 6284690, 8798566, 12569380, 17597132, 21996415, 43992830, 87985660]

約数ペア:

[(1, 87985660), (2, 43992830), (4, 21996415), (5, 17597132), (7, 12569380), (10, 8798566), (14, 6284690), (20, 4399283), (28, 3142345), (35, 2513876), (70, 1256938), (140, 628469), (179, 491540), (358, 245770), (716, 122885), (895, 98308), (1253, 70220), (1790, 49154), (2506, 35110), (3511, 25060), (3580, 24577), (5012, 17555), (6265, 14044), (7022, 12530)]