2005290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1061}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 6117120

約数和(自身を除く): 4111830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1061, 1890, 2122, 3183, 5305, 6366, 7427, 9549, 10610, 14854, 15915, 19098, 22281, 28647, 31830, 37135, 44562, 47745, 57294, 66843, 74270, 95490, 111405, 133686, 143235, 200529, 222810, 286470, 334215, 401058, 668430, 1002645, 2005290]

約数ペア:

[(1, 2005290), (2, 1002645), (3, 668430), (5, 401058), (6, 334215), (7, 286470), (9, 222810), (10, 200529), (14, 143235), (15, 133686), (18, 111405), (21, 95490), (27, 74270), (30, 66843), (35, 57294), (42, 47745), (45, 44562), (54, 37135), (63, 31830), (70, 28647), (90, 22281), (105, 19098), (126, 15915), (135, 14854), (189, 10610), (210, 9549), (270, 7427), (315, 6366), (378, 5305), (630, 3183), (945, 2122), (1061, 1890)]