30839620

素因数分解:

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

素因数の和:31492

約数の個数: 36

約数和(自身を含む): 75339180

約数和(自身を除く): 44499560

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31469, 62938, 125876, 157345, 220283, 314690, 440566, 629380, 881132, 1101415, 1541981, 2202830, 3083962, 4405660, 6167924, 7709905, 15419810, 30839620]

約数ペア:

[(1, 30839620), (2, 15419810), (4, 7709905), (5, 6167924), (7, 4405660), (10, 3083962), (14, 2202830), (20, 1541981), (28, 1101415), (35, 881132), (49, 629380), (70, 440566), (98, 314690), (140, 220283), (196, 157345), (245, 125876), (490, 62938), (980, 31469)]