27984740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 68608512

約数和(自身を除く): 40623772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4253, 6580, 8506, 17012, 21265, 29771, 42530, 59542, 85060, 119084, 148855, 199891, 297710, 399782, 595420, 799564, 999455, 1399237, 1998910, 2798474, 3997820, 5596948, 6996185, 13992370, 27984740]

約数ペア:

[(1, 27984740), (2, 13992370), (4, 6996185), (5, 5596948), (7, 3997820), (10, 2798474), (14, 1998910), (20, 1399237), (28, 999455), (35, 799564), (47, 595420), (70, 399782), (94, 297710), (140, 199891), (188, 148855), (235, 119084), (329, 85060), (470, 59542), (658, 42530), (940, 29771), (1316, 21265), (1645, 17012), (3290, 8506), (4253, 6580)]