208119310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{7489}}^1$

素因数の和:7900

約数の個数: 32

約数和(自身を含む): 429266880

約数和(自身を除く): 221147570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 7489, 13895, 14978, 27790, 37445, 52423, 74890, 104846, 262115, 524230, 2973133, 5946266, 14865665, 20811931, 29731330, 41623862, 104059655, 208119310]

約数ペア:

[(1, 208119310), (2, 104059655), (5, 41623862), (7, 29731330), (10, 20811931), (14, 14865665), (35, 5946266), (70, 2973133), (397, 524230), (794, 262115), (1985, 104846), (2779, 74890), (3970, 52423), (5558, 37445), (7489, 27790), (13895, 14978)]