338889220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2437}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 755682480

約数和(自身を除く): 416793260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409, 818, 1636, 2045, 2437, 4090, 4874, 6953, 8180, 9748, 12185, 13906, 24370, 27812, 34765, 41429, 48740, 69530, 82858, 139060, 165716, 207145, 414290, 828580, 996733, 1993466, 3986932, 4983665, 9967330, 16944461, 19934660, 33888922, 67777844, 84722305, 169444610, 338889220]

約数ペア:

[(1, 338889220), (2, 169444610), (4, 84722305), (5, 67777844), (10, 33888922), (17, 19934660), (20, 16944461), (34, 9967330), (68, 4983665), (85, 3986932), (170, 1993466), (340, 996733), (409, 828580), (818, 414290), (1636, 207145), (2045, 165716), (2437, 139060), (4090, 82858), (4874, 69530), (6953, 48740), (8180, 41429), (9748, 34765), (12185, 27812), (13906, 24370)]