208766810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15139}}^1$

素因数の和:15350

約数の個数: 32

約数和(自身を含む): 431671680

約数和(自身を除く): 222904870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 15139, 30278, 75695, 105973, 151390, 211946, 529865, 1059730, 2982383, 5964766, 14911915, 20876681, 29823830, 41753362, 104383405, 208766810]

約数ペア:

[(1, 208766810), (2, 104383405), (5, 41753362), (7, 29823830), (10, 20876681), (14, 14911915), (35, 5964766), (70, 2982383), (197, 1059730), (394, 529865), (985, 211946), (1379, 151390), (1970, 105973), (2758, 75695), (6895, 30278), (13790, 15139)]