978018040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{22787}}^1$

素因数の和:22864

約数の個数: 64

約数和(自身を含む): 2338048800

約数和(自身を除く): 1360030760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 5365, 8584, 10730, 21460, 22787, 42920, 45574, 91148, 113935, 182296, 227870, 455740, 660823, 843119, 911480, 1321646, 1686238, 2643292, 3304115, 3372476, 4215595, 5286584, 6608230, 6744952, 8431190, 13216460, 16862380, 24450451, 26432920, 33724760, 48900902, 97801804, 122252255, 195603608, 244504510, 489009020, 978018040]

約数ペア:

[(1, 978018040), (2, 489009020), (4, 244504510), (5, 195603608), (8, 122252255), (10, 97801804), (20, 48900902), (29, 33724760), (37, 26432920), (40, 24450451), (58, 16862380), (74, 13216460), (116, 8431190), (145, 6744952), (148, 6608230), (185, 5286584), (232, 4215595), (290, 3372476), (296, 3304115), (370, 2643292), (580, 1686238), (740, 1321646), (1073, 911480), (1160, 843119), (1480, 660823), (2146, 455740), (4292, 227870), (5365, 182296), (8584, 113935), (10730, 91148), (21460, 45574), (22787, 42920)]