889780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 1979208

約数和(自身を除く): 1089428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2617, 5234, 10468, 13085, 26170, 44489, 52340, 88978, 177956, 222445, 444890, 889780]

約数ペア:

[(1, 889780), (2, 444890), (4, 222445), (5, 177956), (10, 88978), (17, 52340), (20, 44489), (34, 26170), (68, 13085), (85, 10468), (170, 5234), (340, 2617)]