13980820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 20492780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 2699, 5180, 5398, 10796, 13495, 18893, 26990, 37786, 53980, 75572, 94465, 99863, 188930, 199726, 377860, 399452, 499315, 699041, 998630, 1398082, 1997260, 2796164, 3495205, 6990410, 13980820]

約数ペア:

[(1, 13980820), (2, 6990410), (4, 3495205), (5, 2796164), (7, 1997260), (10, 1398082), (14, 998630), (20, 699041), (28, 499315), (35, 399452), (37, 377860), (70, 199726), (74, 188930), (140, 99863), (148, 94465), (185, 75572), (259, 53980), (370, 37786), (518, 26990), (740, 18893), (1036, 13495), (1295, 10796), (2590, 5398), (2699, 5180)]