138700510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 280756224

約数和(自身を除く): 142055714

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 127, 130, 155, 254, 271, 310, 403, 542, 635, 806, 1270, 1355, 1651, 2015, 2710, 3302, 3523, 3937, 4030, 7046, 7874, 8255, 8401, 16510, 16802, 17615, 19685, 34417, 35230, 39370, 42005, 51181, 68834, 84010, 102362, 109213, 172085, 218426, 255905, 344170, 447421, 511810, 546065, 894842, 1066927, 1092130, 2133854, 2237105, 4474210, 5334635, 10669270, 13870051, 27740102, 69350255, 138700510]

約数ペア:

[(1, 138700510), (2, 69350255), (5, 27740102), (10, 13870051), (13, 10669270), (26, 5334635), (31, 4474210), (62, 2237105), (65, 2133854), (127, 1092130), (130, 1066927), (155, 894842), (254, 546065), (271, 511810), (310, 447421), (403, 344170), (542, 255905), (635, 218426), (806, 172085), (1270, 109213), (1355, 102362), (1651, 84010), (2015, 68834), (2710, 51181), (3302, 42005), (3523, 39370), (3937, 35230), (4030, 34417), (7046, 19685), (7874, 17615), (8255, 16802), (8401, 16510)]