68920180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12007}}^1$

素因数の和:12064

約数の個数: 48

約数和(自身を含む): 169456896

約数和(自身を除く): 100536716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 12007, 24014, 48028, 60035, 84049, 120070, 168098, 240140, 336196, 420245, 492287, 840490, 984574, 1680980, 1969148, 2461435, 3446009, 4922870, 6892018, 9845740, 13784036, 17230045, 34460090, 68920180]

約数ペア:

[(1, 68920180), (2, 34460090), (4, 17230045), (5, 13784036), (7, 9845740), (10, 6892018), (14, 4922870), (20, 3446009), (28, 2461435), (35, 1969148), (41, 1680980), (70, 984574), (82, 840490), (140, 492287), (164, 420245), (205, 336196), (287, 240140), (410, 168098), (574, 120070), (820, 84049), (1148, 60035), (1435, 48028), (2870, 24014), (5740, 12007)]