205442960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5209}}^1$

素因数の和:5268

約数の個数: 80

約数和(自身を含む): 523292400

約数和(自身を除く): 317849440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 5209, 7888, 9860, 10418, 19720, 20836, 26045, 39440, 41672, 52090, 83344, 88553, 104180, 151061, 177106, 208360, 302122, 354212, 416720, 442765, 604244, 708424, 755305, 885530, 1208488, 1416848, 1510610, 1771060, 2416976, 2568037, 3021220, 3542120, 5136074, 6042440, 7084240, 10272148, 12084880, 12840185, 20544296, 25680370, 41088592, 51360740, 102721480, 205442960]

約数ペア:

[(1, 205442960), (2, 102721480), (4, 51360740), (5, 41088592), (8, 25680370), (10, 20544296), (16, 12840185), (17, 12084880), (20, 10272148), (29, 7084240), (34, 6042440), (40, 5136074), (58, 3542120), (68, 3021220), (80, 2568037), (85, 2416976), (116, 1771060), (136, 1510610), (145, 1416848), (170, 1208488), (232, 885530), (272, 755305), (290, 708424), (340, 604244), (464, 442765), (493, 416720), (580, 354212), (680, 302122), (986, 208360), (1160, 177106), (1360, 151061), (1972, 104180), (2320, 88553), (2465, 83344), (3944, 52090), (4930, 41672), (5209, 39440), (7888, 26045), (9860, 20836), (10418, 19720)]