78698380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2837}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 176410080

約数和(自身を除く): 97711700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 2837, 5548, 5674, 6935, 11348, 13870, 14185, 27740, 28370, 53903, 56740, 107806, 207101, 215612, 269515, 414202, 539030, 828404, 1035505, 1078060, 2071010, 3934919, 4142020, 7869838, 15739676, 19674595, 39349190, 78698380]

約数ペア:

[(1, 78698380), (2, 39349190), (4, 19674595), (5, 15739676), (10, 7869838), (19, 4142020), (20, 3934919), (38, 2071010), (73, 1078060), (76, 1035505), (95, 828404), (146, 539030), (190, 414202), (292, 269515), (365, 215612), (380, 207101), (730, 107806), (1387, 56740), (1460, 53903), (2774, 28370), (2837, 27740), (5548, 14185), (5674, 13870), (6935, 11348)]