2686790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 5184000

約数和(自身を除く): 2497210

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 179, 190, 358, 395, 790, 895, 1501, 1790, 3002, 3401, 6802, 7505, 14141, 15010, 17005, 28282, 34010, 70705, 141410, 268679, 537358, 1343395, 2686790]

約数ペア:

[(1, 2686790), (2, 1343395), (5, 537358), (10, 268679), (19, 141410), (38, 70705), (79, 34010), (95, 28282), (158, 17005), (179, 15010), (190, 14141), (358, 7505), (395, 6802), (790, 3401), (895, 3002), (1501, 1790)]