397956360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{1987}}^1$

素因数の和:3670

約数の個数: 64

約数和(自身を含む): 1195185600

約数和(自身を除く): 797229240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1669, 1987, 3338, 3974, 5007, 5961, 6676, 7948, 8345, 9935, 10014, 11922, 13352, 15896, 16690, 19870, 20028, 23844, 25035, 29805, 33380, 39740, 40056, 47688, 50070, 59610, 66760, 79480, 100140, 119220, 200280, 238440, 3316303, 6632606, 9948909, 13265212, 16581515, 19897818, 26530424, 33163030, 39795636, 49744545, 66326060, 79591272, 99489090, 132652120, 198978180, 397956360]

約数ペア:

[(1, 397956360), (2, 198978180), (3, 132652120), (4, 99489090), (5, 79591272), (6, 66326060), (8, 49744545), (10, 39795636), (12, 33163030), (15, 26530424), (20, 19897818), (24, 16581515), (30, 13265212), (40, 9948909), (60, 6632606), (120, 3316303), (1669, 238440), (1987, 200280), (3338, 119220), (3974, 100140), (5007, 79480), (5961, 66760), (6676, 59610), (7948, 50070), (8345, 47688), (9935, 40056), (10014, 39740), (11922, 33380), (13352, 29805), (15896, 25035), (16690, 23844), (19870, 20028)]