42102760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21481}}^1$

素因数の和:21506

約数の個数: 48

約数和(自身を含む): 110202660

約数和(自身を除く): 68099900

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, 21481, 42962, 85924, 107405, 150367, 171848, 214810, 300734, 429620, 601468, 751835, 859240, 1052569, 1202936, 1503670, 2105138, 3007340, 4210276, 5262845, 6014680, 8420552, 10525690, 21051380, 42102760]

約数ペア:

[(1, 42102760), (2, 21051380), (4, 10525690), (5, 8420552), (7, 6014680), (8, 5262845), (10, 4210276), (14, 3007340), (20, 2105138), (28, 1503670), (35, 1202936), (40, 1052569), (49, 859240), (56, 751835), (70, 601468), (98, 429620), (140, 300734), (196, 214810), (245, 171848), (280, 150367), (392, 107405), (490, 85924), (980, 42962), (1960, 21481)]