68433820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2027

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 117844580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 1979, 2470, 2660, 3458, 3958, 4940, 6916, 7916, 8645, 9895, 13853, 17290, 19790, 25727, 27706, 34580, 37601, 39580, 51454, 55412, 69265, 75202, 102908, 128635, 138530, 150404, 180089, 188005, 257270, 263207, 277060, 360178, 376010, 488813, 514540, 526414, 720356, 752020, 900445, 977626, 1052828, 1316035, 1800890, 1955252, 2444065, 2632070, 3421691, 3601780, 4888130, 5264140, 6843382, 9776260, 13686764, 17108455, 34216910, 68433820]

約数ペア:

[(1, 68433820), (2, 34216910), (4, 17108455), (5, 13686764), (7, 9776260), (10, 6843382), (13, 5264140), (14, 4888130), (19, 3601780), (20, 3421691), (26, 2632070), (28, 2444065), (35, 1955252), (38, 1800890), (52, 1316035), (65, 1052828), (70, 977626), (76, 900445), (91, 752020), (95, 720356), (130, 526414), (133, 514540), (140, 488813), (182, 376010), (190, 360178), (247, 277060), (260, 263207), (266, 257270), (364, 188005), (380, 180089), (455, 150404), (494, 138530), (532, 128635), (665, 102908), (910, 75202), (988, 69265), (1235, 55412), (1330, 51454), (1729, 39580), (1820, 37601), (1979, 34580), (2470, 27706), (2660, 25727), (3458, 19790), (3958, 17290), (4940, 13853), (6916, 9895), (7916, 8645)]