879702920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{278387}}^1$

素因数の和:278477

約数の個数: 32

約数和(自身を含む): 2004393600

約数和(自身を除く): 1124690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 278387, 556774, 1113548, 1391935, 2227096, 2783870, 5567740, 11135480, 21992573, 43985146, 87970292, 109962865, 175940584, 219925730, 439851460, 879702920]

約数ペア:

[(1, 879702920), (2, 439851460), (4, 219925730), (5, 175940584), (8, 109962865), (10, 87970292), (20, 43985146), (40, 21992573), (79, 11135480), (158, 5567740), (316, 2783870), (395, 2227096), (632, 1391935), (790, 1113548), (1580, 556774), (3160, 278387)]