210980320

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19681}}^1$

素因数の和:19763

約数の個数: 48

約数和(自身を含む): 505906128

約数和(自身を除く): 294925808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 19681, 39362, 78724, 98405, 157448, 196810, 314896, 393620, 629792, 787240, 1318627, 1574480, 2637254, 3148960, 5274508, 6593135, 10549016, 13186270, 21098032, 26372540, 42196064, 52745080, 105490160, 210980320]

約数ペア:

[(1, 210980320), (2, 105490160), (4, 52745080), (5, 42196064), (8, 26372540), (10, 21098032), (16, 13186270), (20, 10549016), (32, 6593135), (40, 5274508), (67, 3148960), (80, 2637254), (134, 1574480), (160, 1318627), (268, 787240), (335, 629792), (536, 393620), (670, 314896), (1072, 196810), (1340, 157448), (2144, 98405), (2680, 78724), (5360, 39362), (10720, 19681)]