243669220

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{7129}}^1$

素因数の和:8847

約数の個数: 24

約数和(自身を含む): 512076600

約数和(自身を除く): 268407380

約数列:

[1, 2, 4, 5, 10, 20, 1709, 3418, 6836, 7129, 8545, 14258, 17090, 28516, 34180, 35645, 71290, 142580, 12183461, 24366922, 48733844, 60917305, 121834610, 243669220]

約数ペア:

[(1, 243669220), (2, 121834610), (4, 60917305), (5, 48733844), (10, 24366922), (20, 12183461), (1709, 142580), (3418, 71290), (6836, 35645), (7129, 34180), (8545, 28516), (14258, 17090)]