179164940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8287}}^1$

素因数の和:8366

約数の個数: 48

約数和(自身を含む): 401006592

約数和(自身を除く): 221841652

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 8287, 10810, 16574, 21620, 33148, 41435, 82870, 165740, 190601, 381202, 389489, 762404, 778978, 953005, 1557956, 1906010, 1947445, 3812020, 3894890, 7789780, 8958247, 17916494, 35832988, 44791235, 89582470, 179164940]

約数ペア:

[(1, 179164940), (2, 89582470), (4, 44791235), (5, 35832988), (10, 17916494), (20, 8958247), (23, 7789780), (46, 3894890), (47, 3812020), (92, 1947445), (94, 1906010), (115, 1557956), (188, 953005), (230, 778978), (235, 762404), (460, 389489), (470, 381202), (940, 190601), (1081, 165740), (2162, 82870), (4324, 41435), (5405, 33148), (8287, 21620), (10810, 16574)]