139339340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{142183}}^1$

素因数の和:142206

約数の個数: 36

約数和(自身を含む): 340388496

約数和(自身を除く): 201049156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 142183, 284366, 568732, 710915, 995281, 1421830, 1990562, 2843660, 3981124, 4976405, 6966967, 9952810, 13933934, 19905620, 27867868, 34834835, 69669670, 139339340]

約数ペア:

[(1, 139339340), (2, 69669670), (4, 34834835), (5, 27867868), (7, 19905620), (10, 13933934), (14, 9952810), (20, 6966967), (28, 4976405), (35, 3981124), (49, 2843660), (70, 1990562), (98, 1421830), (140, 995281), (196, 710915), (245, 568732), (490, 284366), (980, 142183)]