7883972020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1364009}}^1$

素因数の和:1364052

約数の個数: 36

約数和(自身を含む): 17587544940

約数和(自身を除く): 9703572920

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 1364009, 2728018, 5456036, 6820045, 13640090, 23188153, 27280180, 46376306, 92752612, 115940765, 231881530, 394198601, 463763060, 788397202, 1576794404, 1970993005, 3941986010, 7883972020]

約数ペア:

[(1, 7883972020), (2, 3941986010), (4, 1970993005), (5, 1576794404), (10, 788397202), (17, 463763060), (20, 394198601), (34, 231881530), (68, 115940765), (85, 92752612), (170, 46376306), (289, 27280180), (340, 23188153), (578, 13640090), (1156, 6820045), (1445, 5456036), (2890, 2728018), (5780, 1364009)]