2216740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2782940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 79, 92, 115, 122, 158, 230, 244, 305, 316, 395, 460, 610, 790, 1220, 1403, 1580, 1817, 2806, 3634, 4819, 5612, 7015, 7268, 9085, 9638, 14030, 18170, 19276, 24095, 28060, 36340, 48190, 96380, 110837, 221674, 443348, 554185, 1108370, 2216740]

約数ペア:

[(1, 2216740), (2, 1108370), (4, 554185), (5, 443348), (10, 221674), (20, 110837), (23, 96380), (46, 48190), (61, 36340), (79, 28060), (92, 24095), (115, 19276), (122, 18170), (158, 14030), (230, 9638), (244, 9085), (305, 7268), (316, 7015), (395, 5612), (460, 4819), (610, 3634), (790, 2806), (1220, 1817), (1403, 1580)]