1569142780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{1187}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 3326865696

約数和(自身を除く): 1757722916

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 421, 628, 785, 842, 1187, 1570, 1684, 2105, 2374, 3140, 4210, 4748, 5935, 8420, 11870, 23740, 66097, 132194, 186359, 264388, 330485, 372718, 499727, 660970, 745436, 931795, 999454, 1321940, 1863590, 1998908, 2498635, 3727180, 4997270, 9994540, 78457139, 156914278, 313828556, 392285695, 784571390, 1569142780]

約数ペア:

[(1, 1569142780), (2, 784571390), (4, 392285695), (5, 313828556), (10, 156914278), (20, 78457139), (157, 9994540), (314, 4997270), (421, 3727180), (628, 2498635), (785, 1998908), (842, 1863590), (1187, 1321940), (1570, 999454), (1684, 931795), (2105, 745436), (2374, 660970), (3140, 499727), (4210, 372718), (4748, 330485), (5935, 264388), (8420, 186359), (11870, 132194), (23740, 66097)]