7907480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 13105000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 911, 1085, 1240, 1736, 1822, 2170, 3644, 4340, 4555, 6377, 7288, 8680, 9110, 12754, 18220, 25508, 28241, 31885, 36440, 51016, 56482, 63770, 112964, 127540, 141205, 197687, 225928, 255080, 282410, 395374, 564820, 790748, 988435, 1129640, 1581496, 1976870, 3953740, 7907480]

約数ペア:

[(1, 7907480), (2, 3953740), (4, 1976870), (5, 1581496), (7, 1129640), (8, 988435), (10, 790748), (14, 564820), (20, 395374), (28, 282410), (31, 255080), (35, 225928), (40, 197687), (56, 141205), (62, 127540), (70, 112964), (124, 63770), (140, 56482), (155, 51016), (217, 36440), (248, 31885), (280, 28241), (310, 25508), (434, 18220), (620, 12754), (868, 9110), (911, 8680), (1085, 7288), (1240, 6377), (1736, 4555), (1822, 4340), (2170, 3644)]