173840980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{511297}}^1$

素因数の和:511323

約数の個数: 24

約数和(自身を含む): 386541288

約数和(自身を除く): 212700308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 511297, 1022594, 2045188, 2556485, 5112970, 8692049, 10225940, 17384098, 34768196, 43460245, 86920490, 173840980]

約数ペア:

[(1, 173840980), (2, 86920490), (4, 43460245), (5, 34768196), (10, 17384098), (17, 10225940), (20, 8692049), (34, 5112970), (68, 2556485), (85, 2045188), (170, 1022594), (340, 511297)]