402040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 995400

約数和(自身を除く): 593360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 529, 760, 874, 920, 1058, 1748, 2116, 2185, 2645, 3496, 4232, 4370, 5290, 8740, 10051, 10580, 17480, 20102, 21160, 40204, 50255, 80408, 100510, 201020, 402040]

約数ペア:

[(1, 402040), (2, 201020), (4, 100510), (5, 80408), (8, 50255), (10, 40204), (19, 21160), (20, 20102), (23, 17480), (38, 10580), (40, 10051), (46, 8740), (76, 5290), (92, 4370), (95, 4232), (115, 3496), (152, 2645), (184, 2185), (190, 2116), (230, 1748), (380, 1058), (437, 920), (460, 874), (529, 760)]