29400020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 67443600

約数和(自身を除く): 38043580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1549, 1898, 3098, 3796, 4745, 6196, 7745, 9490, 15490, 18980, 20137, 30980, 40274, 80548, 100685, 113077, 201370, 226154, 402740, 452308, 565385, 1130770, 1470001, 2261540, 2940002, 5880004, 7350005, 14700010, 29400020]

約数ペア:

[(1, 29400020), (2, 14700010), (4, 7350005), (5, 5880004), (10, 2940002), (13, 2261540), (20, 1470001), (26, 1130770), (52, 565385), (65, 452308), (73, 402740), (130, 226154), (146, 201370), (260, 113077), (292, 100685), (365, 80548), (730, 40274), (949, 30980), (1460, 20137), (1549, 18980), (1898, 15490), (3098, 9490), (3796, 7745), (4745, 6196)]