178103480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 408844800

約数和(自身を除く): 230741320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 139, 206, 278, 311, 412, 515, 556, 622, 695, 824, 1030, 1112, 1244, 1390, 1555, 2060, 2488, 2780, 3110, 4120, 5560, 6220, 12440, 14317, 28634, 32033, 43229, 57268, 64066, 71585, 86458, 114536, 128132, 143170, 160165, 172916, 216145, 256264, 286340, 320330, 345832, 432290, 572680, 640660, 864580, 1281320, 1729160, 4452587, 8905174, 17810348, 22262935, 35620696, 44525870, 89051740, 178103480]

約数ペア:

[(1, 178103480), (2, 89051740), (4, 44525870), (5, 35620696), (8, 22262935), (10, 17810348), (20, 8905174), (40, 4452587), (103, 1729160), (139, 1281320), (206, 864580), (278, 640660), (311, 572680), (412, 432290), (515, 345832), (556, 320330), (622, 286340), (695, 256264), (824, 216145), (1030, 172916), (1112, 160165), (1244, 143170), (1390, 128132), (1555, 114536), (2060, 86458), (2488, 71585), (2780, 64066), (3110, 57268), (4120, 43229), (5560, 32033), (6220, 28634), (12440, 14317)]