7346780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 17846976

約数和(自身を除く): 10500196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 541, 679, 970, 1082, 1358, 1940, 2164, 2705, 2716, 3395, 3787, 5410, 6790, 7574, 10820, 13580, 15148, 18935, 37870, 52477, 75740, 104954, 209908, 262385, 367339, 524770, 734678, 1049540, 1469356, 1836695, 3673390, 7346780]

約数ペア:

[(1, 7346780), (2, 3673390), (4, 1836695), (5, 1469356), (7, 1049540), (10, 734678), (14, 524770), (20, 367339), (28, 262385), (35, 209908), (70, 104954), (97, 75740), (140, 52477), (194, 37870), (388, 18935), (485, 15148), (541, 13580), (679, 10820), (970, 7574), (1082, 6790), (1358, 5410), (1940, 3787), (2164, 3395), (2705, 2716)]