420662008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1039}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 904176000

約数和(自身を除く): 483513992

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 229, 442, 458, 884, 916, 1039, 1768, 1832, 2078, 2977, 3893, 4156, 5954, 7786, 8312, 11908, 13507, 15572, 17663, 23816, 27014, 31144, 35326, 50609, 54028, 70652, 101218, 108056, 141304, 202436, 229619, 237931, 404872, 459238, 475862, 918476, 951724, 1836952, 1903448, 3093103, 4044827, 6186206, 8089654, 12372412, 16179308, 24744824, 32358616, 52582751, 105165502, 210331004, 420662008]

約数ペア:

[(1, 420662008), (2, 210331004), (4, 105165502), (8, 52582751), (13, 32358616), (17, 24744824), (26, 16179308), (34, 12372412), (52, 8089654), (68, 6186206), (104, 4044827), (136, 3093103), (221, 1903448), (229, 1836952), (442, 951724), (458, 918476), (884, 475862), (916, 459238), (1039, 404872), (1768, 237931), (1832, 229619), (2078, 202436), (2977, 141304), (3893, 108056), (4156, 101218), (5954, 70652), (7786, 54028), (8312, 50609), (11908, 35326), (13507, 31144), (15572, 27014), (17663, 23816)]