77876620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 172892160

約数和(自身を除く): 95015540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 2143, 3634, 4286, 7268, 8572, 9085, 10715, 18170, 21430, 36340, 42860, 49289, 98578, 169297, 197156, 246445, 338594, 492890, 677188, 846485, 985780, 1692970, 3385940, 3893831, 7787662, 15575324, 19469155, 38938310, 77876620]

約数ペア:

[(1, 77876620), (2, 38938310), (4, 19469155), (5, 15575324), (10, 7787662), (20, 3893831), (23, 3385940), (46, 1692970), (79, 985780), (92, 846485), (115, 677188), (158, 492890), (230, 338594), (316, 246445), (395, 197156), (460, 169297), (790, 98578), (1580, 49289), (1817, 42860), (2143, 36340), (3634, 21430), (4286, 18170), (7268, 10715), (8572, 9085)]