27904660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 68793984

約数和(自身を除く): 40889324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5387, 10774, 21548, 26935, 37709, 53870, 75418, 107740, 150836, 188545, 199319, 377090, 398638, 754180, 797276, 996595, 1395233, 1993190, 2790466, 3986380, 5580932, 6976165, 13952330, 27904660]

約数ペア:

[(1, 27904660), (2, 13952330), (4, 6976165), (5, 5580932), (7, 3986380), (10, 2790466), (14, 1993190), (20, 1395233), (28, 996595), (35, 797276), (37, 754180), (70, 398638), (74, 377090), (140, 199319), (148, 188545), (185, 150836), (259, 107740), (370, 75418), (518, 53870), (740, 37709), (1036, 26935), (1295, 21548), (2590, 10774), (5180, 5387)]