77963620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556883}}^1$

素因数の和:556899

約数の個数: 24

約数和(自身を含む): 187113024

約数和(自身を除く): 109149404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556883, 1113766, 2227532, 2784415, 3898181, 5568830, 7796362, 11137660, 15592724, 19490905, 38981810, 77963620]

約数ペア:

[(1, 77963620), (2, 38981810), (4, 19490905), (5, 15592724), (7, 11137660), (10, 7796362), (14, 5568830), (20, 3898181), (28, 2784415), (35, 2227532), (70, 1113766), (140, 556883)]