839265340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{22769}}^1$

素因数の和:22894

約数の個数: 48

約数和(自身を含む): 1874426400

約数和(自身を除く): 1035161060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 9215, 18430, 22769, 36860, 45538, 91076, 113845, 227690, 432611, 455380, 865222, 1730444, 2163055, 2208593, 4326110, 4417186, 8652220, 8834372, 11042965, 22085930, 41963267, 44171860, 83926534, 167853068, 209816335, 419632670, 839265340]

約数ペア:

[(1, 839265340), (2, 419632670), (4, 209816335), (5, 167853068), (10, 83926534), (19, 44171860), (20, 41963267), (38, 22085930), (76, 11042965), (95, 8834372), (97, 8652220), (190, 4417186), (194, 4326110), (380, 2208593), (388, 2163055), (485, 1730444), (970, 865222), (1843, 455380), (1940, 432611), (3686, 227690), (7372, 113845), (9215, 91076), (18430, 45538), (22769, 36860)]