398195640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1106099}}^1$

素因数の和:1106116

約数の個数: 48

約数和(自身を含む): 1294137000

約数和(自身を除く): 895941360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1106099, 2212198, 3318297, 4424396, 5530495, 6636594, 8848792, 9954891, 11060990, 13273188, 16591485, 19909782, 22121980, 26546376, 33182970, 39819564, 44243960, 49774455, 66365940, 79639128, 99548910, 132731880, 199097820, 398195640]

約数ペア:

[(1, 398195640), (2, 199097820), (3, 132731880), (4, 99548910), (5, 79639128), (6, 66365940), (8, 49774455), (9, 44243960), (10, 39819564), (12, 33182970), (15, 26546376), (18, 22121980), (20, 19909782), (24, 16591485), (30, 13273188), (36, 11060990), (40, 9954891), (45, 8848792), (60, 6636594), (72, 5530495), (90, 4424396), (120, 3318297), (180, 2212198), (360, 1106099)]