1212460090

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{188563}}^1$

素因数の和:189213

約数の個数: 16

約数和(自身を含む): 2185833888

約数和(自身を除く): 973373798

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 188563, 377126, 942815, 1885630, 121246009, 242492018, 606230045, 1212460090]

約数ペア:

[(1, 1212460090), (2, 606230045), (5, 242492018), (10, 121246009), (643, 1885630), (1286, 942815), (3215, 377126), (6430, 188563)]