204747320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1087}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 489991680

約数和(自身を除く): 285244360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 277, 340, 554, 680, 1087, 1108, 1385, 2174, 2216, 2770, 4348, 4709, 5435, 5540, 8696, 9418, 10870, 11080, 18479, 18836, 21740, 23545, 36958, 37672, 43480, 47090, 73916, 92395, 94180, 147832, 184790, 188360, 301099, 369580, 602198, 739160, 1204396, 1505495, 2408792, 3010990, 5118683, 6021980, 10237366, 12043960, 20474732, 25593415, 40949464, 51186830, 102373660, 204747320]

約数ペア:

[(1, 204747320), (2, 102373660), (4, 51186830), (5, 40949464), (8, 25593415), (10, 20474732), (17, 12043960), (20, 10237366), (34, 6021980), (40, 5118683), (68, 3010990), (85, 2408792), (136, 1505495), (170, 1204396), (277, 739160), (340, 602198), (554, 369580), (680, 301099), (1087, 188360), (1108, 184790), (1385, 147832), (2174, 94180), (2216, 92395), (2770, 73916), (4348, 47090), (4709, 43480), (5435, 37672), (5540, 36958), (8696, 23545), (9418, 21740), (10870, 18836), (11080, 18479)]