988226690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{219119}}^1$

素因数の和:219178

約数の個数: 32

約数和(自身を含む): 1987856640

約数和(自身を除く): 999629950

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 219119, 438238, 1095595, 2191190, 2410309, 4820618, 8983879, 12051545, 17967758, 24103090, 44919395, 89838790, 98822669, 197645338, 494113345, 988226690]

約数ペア:

[(1, 988226690), (2, 494113345), (5, 197645338), (10, 98822669), (11, 89838790), (22, 44919395), (41, 24103090), (55, 17967758), (82, 12051545), (110, 8983879), (205, 4820618), (410, 2410309), (451, 2191190), (902, 1095595), (2255, 438238), (4510, 219119)]