1279349740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{13613}}^1$

素因数の和:13786

約数の個数: 48

約数和(自身を含む): 2781176832

約数和(自身を除く): 1501827092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 370, 508, 635, 740, 1270, 2540, 4699, 9398, 13613, 18796, 23495, 27226, 46990, 54452, 68065, 93980, 136130, 272260, 503681, 1007362, 1728851, 2014724, 2518405, 3457702, 5036810, 6915404, 8644255, 10073620, 17288510, 34577020, 63967487, 127934974, 255869948, 319837435, 639674870, 1279349740]

約数ペア:

[(1, 1279349740), (2, 639674870), (4, 319837435), (5, 255869948), (10, 127934974), (20, 63967487), (37, 34577020), (74, 17288510), (127, 10073620), (148, 8644255), (185, 6915404), (254, 5036810), (370, 3457702), (508, 2518405), (635, 2014724), (740, 1728851), (1270, 1007362), (2540, 503681), (4699, 272260), (9398, 136130), (13613, 93980), (18796, 68065), (23495, 54452), (27226, 46990)]