68992490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 145971072

約数和(自身を除く): 76978582

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1367, 1442, 2734, 3605, 5047, 6835, 7210, 9569, 10094, 13670, 19138, 25235, 47845, 50470, 66983, 95690, 133966, 140801, 281602, 334915, 669830, 704005, 985607, 1408010, 1971214, 4928035, 6899249, 9856070, 13798498, 34496245, 68992490]

約数ペア:

[(1, 68992490), (2, 34496245), (5, 13798498), (7, 9856070), (10, 6899249), (14, 4928035), (35, 1971214), (49, 1408010), (70, 985607), (98, 704005), (103, 669830), (206, 334915), (245, 281602), (490, 140801), (515, 133966), (721, 95690), (1030, 66983), (1367, 50470), (1442, 47845), (2734, 25235), (3605, 19138), (5047, 13670), (6835, 10094), (7210, 9569)]