284370380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2031217}}^1$

素因数の和:2031233

約数の個数: 24

約数和(自身を含む): 682489248

約数和(自身を除く): 398118868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2031217, 4062434, 8124868, 10156085, 14218519, 20312170, 28437038, 40624340, 56874076, 71092595, 142185190, 284370380]

約数ペア:

[(1, 284370380), (2, 142185190), (4, 71092595), (5, 56874076), (7, 40624340), (10, 28437038), (14, 20312170), (20, 14218519), (28, 10156085), (35, 8124868), (70, 4062434), (140, 2031217)]