201183020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1361}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 446191200

約数和(自身を除く): 245008180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 778, 1361, 1556, 1945, 2722, 3890, 5444, 6805, 7391, 7780, 13610, 14782, 25859, 27220, 29564, 36955, 51718, 73910, 103436, 129295, 147820, 258590, 517180, 529429, 1058858, 2117716, 2647145, 5294290, 10059151, 10588580, 20118302, 40236604, 50295755, 100591510, 201183020]

約数ペア:

[(1, 201183020), (2, 100591510), (4, 50295755), (5, 40236604), (10, 20118302), (19, 10588580), (20, 10059151), (38, 5294290), (76, 2647145), (95, 2117716), (190, 1058858), (380, 529429), (389, 517180), (778, 258590), (1361, 147820), (1556, 129295), (1945, 103436), (2722, 73910), (3890, 51718), (5444, 36955), (6805, 29564), (7391, 27220), (7780, 25859), (13610, 14782)]