204390760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{104281}}^1$

素因数の和:104306

約数の個数: 48

約数和(自身を含む): 534966660

約数和(自身を除く): 330575900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 104281, 208562, 417124, 521405, 729967, 834248, 1042810, 1459934, 2085620, 2919868, 3649835, 4171240, 5109769, 5839736, 7299670, 10219538, 14599340, 20439076, 25548845, 29198680, 40878152, 51097690, 102195380, 204390760]

約数ペア:

[(1, 204390760), (2, 102195380), (4, 51097690), (5, 40878152), (7, 29198680), (8, 25548845), (10, 20439076), (14, 14599340), (20, 10219538), (28, 7299670), (35, 5839736), (40, 5109769), (49, 4171240), (56, 3649835), (70, 2919868), (98, 2085620), (140, 1459934), (196, 1042810), (245, 834248), (280, 729967), (392, 521405), (490, 417124), (980, 208562), (1960, 104281)]