200717980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13729}}^1$

素因数の和:13798

約数の個数: 48

約数和(自身を含む): 456714720

約数和(自身を除く): 255996740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 13729, 14620, 27458, 54916, 68645, 137290, 233393, 274580, 466786, 590347, 933572, 1166965, 1180694, 2333930, 2361388, 2951735, 4667860, 5903470, 10035899, 11806940, 20071798, 40143596, 50179495, 100358990, 200717980]

約数ペア:

[(1, 200717980), (2, 100358990), (4, 50179495), (5, 40143596), (10, 20071798), (17, 11806940), (20, 10035899), (34, 5903470), (43, 4667860), (68, 2951735), (85, 2361388), (86, 2333930), (170, 1180694), (172, 1166965), (215, 933572), (340, 590347), (430, 466786), (731, 274580), (860, 233393), (1462, 137290), (2924, 68645), (3655, 54916), (7310, 27458), (13729, 14620)]