211977520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{56377}}^1$

素因数の和:56437

約数の個数: 40

約数和(自身を含む): 503342784

約数和(自身を除く): 291365264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 56377, 112754, 225508, 281885, 451016, 563770, 902032, 1127540, 2255080, 2649719, 4510160, 5299438, 10598876, 13248595, 21197752, 26497190, 42395504, 52994380, 105988760, 211977520]

約数ペア:

[(1, 211977520), (2, 105988760), (4, 52994380), (5, 42395504), (8, 26497190), (10, 21197752), (16, 13248595), (20, 10598876), (40, 5299438), (47, 4510160), (80, 2649719), (94, 2255080), (188, 1127540), (235, 902032), (376, 563770), (470, 451016), (752, 281885), (940, 225508), (1880, 112754), (3760, 56377)]