138464690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21737}}^1$

素因数の和:21771

約数の個数: 48

約数和(自身を含む): 312244632

約数和(自身を除く): 173779942

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 21737, 43474, 108685, 152159, 217370, 282581, 304318, 565162, 760795, 1065113, 1412905, 1521590, 1978067, 2130226, 2825810, 3956134, 5325565, 9890335, 10651130, 13846469, 19780670, 27692938, 69232345, 138464690]

約数ペア:

[(1, 138464690), (2, 69232345), (5, 27692938), (7, 19780670), (10, 13846469), (13, 10651130), (14, 9890335), (26, 5325565), (35, 3956134), (49, 2825810), (65, 2130226), (70, 1978067), (91, 1521590), (98, 1412905), (130, 1065113), (182, 760795), (245, 565162), (455, 304318), (490, 282581), (637, 217370), (910, 152159), (1274, 108685), (3185, 43474), (6370, 21737)]