28397320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101419}}^1$

素因数の和:101437

約数の個数: 32

約数和(自身を含む): 73022400

約数和(自身を除く): 44625080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101419, 202838, 405676, 507095, 709933, 811352, 1014190, 1419866, 2028380, 2839732, 3549665, 4056760, 5679464, 7099330, 14198660, 28397320]

約数ペア:

[(1, 28397320), (2, 14198660), (4, 7099330), (5, 5679464), (7, 4056760), (8, 3549665), (10, 2839732), (14, 2028380), (20, 1419866), (28, 1014190), (35, 811352), (40, 709933), (56, 507095), (70, 405676), (140, 202838), (280, 101419)]