2989960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4397}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 7124760

約数和(自身を除く): 4134800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 4397, 8794, 17588, 21985, 35176, 43970, 74749, 87940, 149498, 175880, 298996, 373745, 597992, 747490, 1494980, 2989960]

約数ペア:

[(1, 2989960), (2, 1494980), (4, 747490), (5, 597992), (8, 373745), (10, 298996), (17, 175880), (20, 149498), (34, 87940), (40, 74749), (68, 43970), (85, 35176), (136, 21985), (170, 17588), (340, 8794), (680, 4397)]