30827380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 66528000

約数和(自身を除く): 35700620

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 179, 218, 316, 358, 395, 436, 545, 716, 790, 895, 1090, 1580, 1790, 2180, 3580, 8611, 14141, 17222, 19511, 28282, 34444, 39022, 43055, 56564, 70705, 78044, 86110, 97555, 141410, 172220, 195110, 282820, 390220, 1541369, 3082738, 6165476, 7706845, 15413690, 30827380]

約数ペア:

[(1, 30827380), (2, 15413690), (4, 7706845), (5, 6165476), (10, 3082738), (20, 1541369), (79, 390220), (109, 282820), (158, 195110), (179, 172220), (218, 141410), (316, 97555), (358, 86110), (395, 78044), (436, 70705), (545, 56564), (716, 43055), (790, 39022), (895, 34444), (1090, 28282), (1580, 19511), (1790, 17222), (2180, 14141), (3580, 8611)]