215877340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31469}}^1$

素因数の和:31499

約数の個数: 48

約数和(自身を含む): 528696000

約数和(自身を除く): 312818660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 31469, 62938, 125876, 157345, 220283, 314690, 440566, 629380, 881132, 1101415, 1541981, 2202830, 3083962, 4405660, 6167924, 7709905, 10793867, 15419810, 21587734, 30839620, 43175468, 53969335, 107938670, 215877340]

約数ペア:

[(1, 215877340), (2, 107938670), (4, 53969335), (5, 43175468), (7, 30839620), (10, 21587734), (14, 15419810), (20, 10793867), (28, 7709905), (35, 6167924), (49, 4405660), (70, 3083962), (98, 2202830), (140, 1541981), (196, 1101415), (245, 881132), (343, 629380), (490, 440566), (686, 314690), (980, 220283), (1372, 157345), (1715, 125876), (3430, 62938), (6860, 31469)]