71983220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 158457600

約数和(自身を除く): 86474380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1571, 1580, 2291, 3142, 4582, 6284, 7855, 9164, 11455, 15710, 22910, 31420, 45559, 45820, 91118, 124109, 182236, 227795, 248218, 455590, 496436, 620545, 911180, 1241090, 2482180, 3599161, 7198322, 14396644, 17995805, 35991610, 71983220]

約数ペア:

[(1, 71983220), (2, 35991610), (4, 17995805), (5, 14396644), (10, 7198322), (20, 3599161), (29, 2482180), (58, 1241090), (79, 911180), (116, 620545), (145, 496436), (158, 455590), (290, 248218), (316, 227795), (395, 182236), (580, 124109), (790, 91118), (1571, 45820), (1580, 45559), (2291, 31420), (3142, 22910), (4582, 15710), (6284, 11455), (7855, 9164)]