381820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 849744

約数和(自身を除く): 467924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1123, 2246, 4492, 5615, 11230, 19091, 22460, 38182, 76364, 95455, 190910, 381820]

約数ペア:

[(1, 381820), (2, 190910), (4, 95455), (5, 76364), (10, 38182), (17, 22460), (20, 19091), (34, 11230), (68, 5615), (85, 4492), (170, 2246), (340, 1123)]