340435880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21767}}^1$

素因数の和:21818

約数の個数: 64

約数和(自身を含む): 846339840

約数和(自身を除く): 505903960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 15640, 21767, 43534, 87068, 108835, 174136, 217670, 370039, 435340, 500641, 740078, 870680, 1001282, 1480156, 1850195, 2002564, 2503205, 2960312, 3700390, 4005128, 5006410, 7400780, 8510897, 10012820, 14801560, 17021794, 20025640, 34043588, 42554485, 68087176, 85108970, 170217940, 340435880]

約数ペア:

[(1, 340435880), (2, 170217940), (4, 85108970), (5, 68087176), (8, 42554485), (10, 34043588), (17, 20025640), (20, 17021794), (23, 14801560), (34, 10012820), (40, 8510897), (46, 7400780), (68, 5006410), (85, 4005128), (92, 3700390), (115, 2960312), (136, 2503205), (170, 2002564), (184, 1850195), (230, 1480156), (340, 1001282), (391, 870680), (460, 740078), (680, 500641), (782, 435340), (920, 370039), (1564, 217670), (1955, 174136), (3128, 108835), (3910, 87068), (7820, 43534), (15640, 21767)]