2920090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 5657040

約数和(自身を除く): 2736950

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 193, 386, 445, 890, 965, 1513, 1930, 3026, 3281, 6562, 7565, 15130, 16405, 17177, 32810, 34354, 85885, 171770, 292009, 584018, 1460045, 2920090]

約数ペア:

[(1, 2920090), (2, 1460045), (5, 584018), (10, 292009), (17, 171770), (34, 85885), (85, 34354), (89, 32810), (170, 17177), (178, 16405), (193, 15130), (386, 7565), (445, 6562), (890, 3281), (965, 3026), (1513, 1930)]