208370720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68543}}^1$

素因数の和:68577

約数の個数: 48

約数和(自身を含む): 518192640

約数和(自身を除く): 309821920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 68543, 137086, 274172, 342715, 548344, 685430, 1096688, 1302317, 1370860, 2193376, 2604634, 2741720, 5209268, 5483440, 6511585, 10418536, 10966880, 13023170, 20837072, 26046340, 41674144, 52092680, 104185360, 208370720]

約数ペア:

[(1, 208370720), (2, 104185360), (4, 52092680), (5, 41674144), (8, 26046340), (10, 20837072), (16, 13023170), (19, 10966880), (20, 10418536), (32, 6511585), (38, 5483440), (40, 5209268), (76, 2741720), (80, 2604634), (95, 2193376), (152, 1370860), (160, 1302317), (190, 1096688), (304, 685430), (380, 548344), (608, 342715), (760, 274172), (1520, 137086), (3040, 68543)]