2278120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 5566860

約数和(自身を除く): 3288740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 337, 338, 520, 674, 676, 845, 1348, 1352, 1685, 1690, 2696, 3370, 3380, 4381, 6740, 6760, 8762, 13480, 17524, 21905, 35048, 43810, 56953, 87620, 113906, 175240, 227812, 284765, 455624, 569530, 1139060, 2278120]

約数ペア:

[(1, 2278120), (2, 1139060), (4, 569530), (5, 455624), (8, 284765), (10, 227812), (13, 175240), (20, 113906), (26, 87620), (40, 56953), (52, 43810), (65, 35048), (104, 21905), (130, 17524), (169, 13480), (260, 8762), (337, 6760), (338, 6740), (520, 4381), (674, 3380), (676, 3370), (845, 2696), (1348, 1690), (1352, 1685)]