814454020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{140909}}^1$

素因数の和:140952

約数の個数: 36

約数和(自身を含む): 1816893540

約数和(自身を除く): 1002439520

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 140909, 281818, 563636, 704545, 1409090, 2395453, 2818180, 4790906, 9581812, 11977265, 23954530, 40722701, 47909060, 81445402, 162890804, 203613505, 407227010, 814454020]

約数ペア:

[(1, 814454020), (2, 407227010), (4, 203613505), (5, 162890804), (10, 81445402), (17, 47909060), (20, 40722701), (34, 23954530), (68, 11977265), (85, 9581812), (170, 4790906), (289, 2818180), (340, 2395453), (578, 1409090), (1156, 704545), (1445, 563636), (2890, 281818), (5780, 140909)]