86744140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13183}}^1$

素因数の和:13246

約数の個数: 48

約数和(自身を含む): 212631552

約数和(自身を除く): 125887412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 13183, 26366, 52732, 65915, 92281, 131830, 184562, 263660, 369124, 461405, 619601, 922810, 1239202, 1845620, 2478404, 3098005, 4337207, 6196010, 8674414, 12392020, 17348828, 21686035, 43372070, 86744140]

約数ペア:

[(1, 86744140), (2, 43372070), (4, 21686035), (5, 17348828), (7, 12392020), (10, 8674414), (14, 6196010), (20, 4337207), (28, 3098005), (35, 2478404), (47, 1845620), (70, 1239202), (94, 922810), (140, 619601), (188, 461405), (235, 369124), (329, 263660), (470, 184562), (658, 131830), (940, 92281), (1316, 65915), (1645, 52732), (3290, 26366), (6580, 13183)]