2150020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 4546584

約数和(自身を除く): 2396564

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 557, 772, 965, 1114, 1930, 2228, 2785, 3860, 5570, 11140, 107501, 215002, 430004, 537505, 1075010, 2150020]

約数ペア:

[(1, 2150020), (2, 1075010), (4, 537505), (5, 430004), (10, 215002), (20, 107501), (193, 11140), (386, 5570), (557, 3860), (772, 2785), (965, 2228), (1114, 1930)]