206849020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5749}}^1$

素因数の和:6022

約数の個数: 48

約数和(自身を含む): 498456000

約数和(自身を除く): 291606980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 5749, 7196, 8995, 11498, 17990, 22996, 28745, 35980, 40243, 57490, 80486, 114980, 160972, 201215, 402430, 804860, 1477493, 2954986, 5909972, 7387465, 10342451, 14774930, 20684902, 29549860, 41369804, 51712255, 103424510, 206849020]

約数ペア:

[(1, 206849020), (2, 103424510), (4, 51712255), (5, 41369804), (7, 29549860), (10, 20684902), (14, 14774930), (20, 10342451), (28, 7387465), (35, 5909972), (70, 2954986), (140, 1477493), (257, 804860), (514, 402430), (1028, 201215), (1285, 160972), (1799, 114980), (2570, 80486), (3598, 57490), (5140, 40243), (5749, 35980), (7196, 28745), (8995, 22996), (11498, 17990)]