2008279955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 3033676800

約数和(自身を除く): 1025396845

約数列:

[1, 5, 11, 17, 19, 43, 55, 85, 95, 121, 187, 209, 215, 239, 323, 473, 605, 731, 817, 935, 1045, 1195, 1615, 2057, 2299, 2365, 2629, 3553, 3655, 4063, 4085, 4541, 5203, 8041, 8987, 10277, 10285, 11495, 13145, 13889, 17765, 20315, 22705, 26015, 28919, 39083, 40205, 44693, 44935, 49951, 51385, 69445, 77197, 88451, 98857, 113047, 144595, 152779, 174709, 195263, 195415, 223465, 249755, 385985, 442255, 491623, 494285, 549461, 565235, 763895, 849167, 873545, 976315, 1243517, 1680569, 1921799, 2147893, 2458115, 2747305, 3319471, 4245835, 6217585, 8402845, 9340837, 9608995, 10739465, 16597355, 21139789, 23626823, 36514181, 46704185, 105698945, 118134115, 182570905, 401655991, 2008279955]

約数ペア:

[(1, 2008279955), (5, 401655991), (11, 182570905), (17, 118134115), (19, 105698945), (43, 46704185), (55, 36514181), (85, 23626823), (95, 21139789), (121, 16597355), (187, 10739465), (209, 9608995), (215, 9340837), (239, 8402845), (323, 6217585), (473, 4245835), (605, 3319471), (731, 2747305), (817, 2458115), (935, 2147893), (1045, 1921799), (1195, 1680569), (1615, 1243517), (2057, 976315), (2299, 873545), (2365, 849167), (2629, 763895), (3553, 565235), (3655, 549461), (4063, 494285), (4085, 491623), (4541, 442255), (5203, 385985), (8041, 249755), (8987, 223465), (10277, 195415), (10285, 195263), (11495, 174709), (13145, 152779), (13889, 144595), (17765, 113047), (20315, 98857), (22705, 88451), (26015, 77197), (28919, 69445), (39083, 51385), (40205, 49951), (44693, 44935)]