3982780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 9031680

約数和(自身を除く): 5048900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 223, 235, 380, 446, 470, 892, 893, 940, 1115, 1786, 2230, 3572, 4237, 4460, 4465, 8474, 8930, 10481, 16948, 17860, 20962, 21185, 41924, 42370, 52405, 84740, 104810, 199139, 209620, 398278, 796556, 995695, 1991390, 3982780]

約数ペア:

[(1, 3982780), (2, 1991390), (4, 995695), (5, 796556), (10, 398278), (19, 209620), (20, 199139), (38, 104810), (47, 84740), (76, 52405), (94, 42370), (95, 41924), (188, 21185), (190, 20962), (223, 17860), (235, 16948), (380, 10481), (446, 8930), (470, 8474), (892, 4465), (893, 4460), (940, 4237), (1115, 3572), (1786, 2230)]