4541180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 11020800

約数和(自身を除く): 6479620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 199, 326, 398, 652, 796, 815, 995, 1141, 1393, 1630, 1990, 2282, 2786, 3260, 3980, 4564, 5572, 5705, 6965, 11410, 13930, 22820, 27860, 32437, 64874, 129748, 162185, 227059, 324370, 454118, 648740, 908236, 1135295, 2270590, 4541180]

約数ペア:

[(1, 4541180), (2, 2270590), (4, 1135295), (5, 908236), (7, 648740), (10, 454118), (14, 324370), (20, 227059), (28, 162185), (35, 129748), (70, 64874), (140, 32437), (163, 27860), (199, 22820), (326, 13930), (398, 11410), (652, 6965), (796, 5705), (815, 5572), (995, 4564), (1141, 3980), (1393, 3260), (1630, 2786), (1990, 2282)]