197568140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128291}}^1$

素因数の和:128318

約数の個数: 48

約数和(自身を含む): 517273344

約数和(自身を除く): 319705204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 128291, 256582, 513164, 641455, 898037, 1282910, 1411201, 1796074, 2565820, 2822402, 3592148, 4490185, 5644804, 7056005, 8980370, 9878407, 14112010, 17960740, 19756814, 28224020, 39513628, 49392035, 98784070, 197568140]

約数ペア:

[(1, 197568140), (2, 98784070), (4, 49392035), (5, 39513628), (7, 28224020), (10, 19756814), (11, 17960740), (14, 14112010), (20, 9878407), (22, 8980370), (28, 7056005), (35, 5644804), (44, 4490185), (55, 3592148), (70, 2822402), (77, 2565820), (110, 1796074), (140, 1411201), (154, 1282910), (220, 898037), (308, 641455), (385, 513164), (770, 256582), (1540, 128291)]