289968836060

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{22548121}}^1$

素因数の和:22548773

約数の個数: 24

約数和(自身を含む): 609881603856

約数和(自身を除く): 319912767796

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 22548121, 45096242, 90192484, 112740605, 225481210, 450962420, 14498441803, 28996883606, 57993767212, 72492209015, 144984418030, 289968836060]

約数ペア:

[(1, 289968836060), (2, 144984418030), (4, 72492209015), (5, 57993767212), (10, 28996883606), (20, 14498441803), (643, 450962420), (1286, 225481210), (2572, 112740605), (3215, 90192484), (6430, 45096242), (12860, 22548121)]