274080280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{159349}}^1$

素因数の和:159403

約数の個数: 32

約数和(自身を含む): 631026000

約数和(自身を除く): 356945720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 159349, 318698, 637396, 796745, 1274792, 1593490, 3186980, 6373960, 6852007, 13704014, 27408028, 34260035, 54816056, 68520070, 137040140, 274080280]

約数ペア:

[(1, 274080280), (2, 137040140), (4, 68520070), (5, 54816056), (8, 34260035), (10, 27408028), (20, 13704014), (40, 6852007), (43, 6373960), (86, 3186980), (172, 1593490), (215, 1274792), (344, 796745), (430, 637396), (860, 318698), (1720, 159349)]