79982140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 192471552

約数和(自身を除く): 112489412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 883, 1294, 1766, 2588, 3235, 3532, 4415, 4529, 6181, 6470, 8830, 9058, 12362, 12940, 17660, 18116, 22645, 24724, 30905, 45290, 61810, 90580, 123620, 571301, 1142602, 2285204, 2856505, 3999107, 5713010, 7998214, 11426020, 15996428, 19995535, 39991070, 79982140]

約数ペア:

[(1, 79982140), (2, 39991070), (4, 19995535), (5, 15996428), (7, 11426020), (10, 7998214), (14, 5713010), (20, 3999107), (28, 2856505), (35, 2285204), (70, 1142602), (140, 571301), (647, 123620), (883, 90580), (1294, 61810), (1766, 45290), (2588, 30905), (3235, 24724), (3532, 22645), (4415, 18116), (4529, 17660), (6181, 12940), (6470, 12362), (8830, 9058)]