2008070020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{5569}}^1$

素因数の和:5749

約数の個数: 72

約数和(自身を含む): 4667103000

約数和(自身を除く): 2659032980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 242, 298, 484, 596, 605, 745, 1210, 1490, 1639, 2420, 2980, 3278, 5569, 6556, 8195, 11138, 16390, 18029, 22276, 27845, 32780, 36058, 55690, 61259, 72116, 90145, 111380, 122518, 180290, 245036, 306295, 360580, 612590, 673849, 829781, 1225180, 1347698, 1659562, 2695396, 3319124, 3369245, 4148905, 6738490, 8297810, 9127591, 13476980, 16595620, 18255182, 36510364, 45637955, 91275910, 100403501, 182551820, 200807002, 401614004, 502017505, 1004035010, 2008070020]

約数ペア:

[(1, 2008070020), (2, 1004035010), (4, 502017505), (5, 401614004), (10, 200807002), (11, 182551820), (20, 100403501), (22, 91275910), (44, 45637955), (55, 36510364), (110, 18255182), (121, 16595620), (149, 13476980), (220, 9127591), (242, 8297810), (298, 6738490), (484, 4148905), (596, 3369245), (605, 3319124), (745, 2695396), (1210, 1659562), (1490, 1347698), (1639, 1225180), (2420, 829781), (2980, 673849), (3278, 612590), (5569, 360580), (6556, 306295), (8195, 245036), (11138, 180290), (16390, 122518), (18029, 111380), (22276, 90145), (27845, 72116), (32780, 61259), (36058, 55690)]