71149180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 157177440

約数和(自身を除く): 86028260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 2011, 3538, 4022, 7076, 8044, 8845, 10055, 17690, 20110, 35380, 40220, 58319, 116638, 122671, 233276, 245342, 291595, 490684, 583190, 613355, 1166380, 1226710, 2453420, 3557459, 7114918, 14229836, 17787295, 35574590, 71149180]

約数ペア:

[(1, 71149180), (2, 35574590), (4, 17787295), (5, 14229836), (10, 7114918), (20, 3557459), (29, 2453420), (58, 1226710), (61, 1166380), (116, 613355), (122, 583190), (145, 490684), (244, 291595), (290, 245342), (305, 233276), (580, 122671), (610, 116638), (1220, 58319), (1769, 40220), (2011, 35380), (3538, 20110), (4022, 17690), (7076, 10055), (8044, 8845)]