138488980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 355622400

約数和(自身を除く): 217133420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 205, 230, 287, 322, 410, 460, 574, 644, 805, 820, 943, 1049, 1148, 1435, 1610, 1886, 2098, 2870, 3220, 3772, 4196, 4715, 5245, 5740, 6601, 7343, 9430, 10490, 13202, 14686, 18860, 20980, 24127, 26404, 29372, 33005, 36715, 43009, 48254, 66010, 73430, 86018, 96508, 120635, 132020, 146860, 168889, 172036, 215045, 241270, 301063, 337778, 430090, 482540, 602126, 675556, 844445, 860180, 989207, 1204252, 1505315, 1688890, 1978414, 3010630, 3377780, 3956828, 4946035, 6021260, 6924449, 9892070, 13848898, 19784140, 27697796, 34622245, 69244490, 138488980]

約数ペア:

[(1, 138488980), (2, 69244490), (4, 34622245), (5, 27697796), (7, 19784140), (10, 13848898), (14, 9892070), (20, 6924449), (23, 6021260), (28, 4946035), (35, 3956828), (41, 3377780), (46, 3010630), (70, 1978414), (82, 1688890), (92, 1505315), (115, 1204252), (140, 989207), (161, 860180), (164, 844445), (205, 675556), (230, 602126), (287, 482540), (322, 430090), (410, 337778), (460, 301063), (574, 241270), (644, 215045), (805, 172036), (820, 168889), (943, 146860), (1049, 132020), (1148, 120635), (1435, 96508), (1610, 86018), (1886, 73430), (2098, 66010), (2870, 48254), (3220, 43009), (3772, 36715), (4196, 33005), (4715, 29372), (5245, 26404), (5740, 24127), (6601, 20980), (7343, 18860), (9430, 14686), (10490, 13202)]