65870420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42773}}^1$

素因数の和:42800

約数の個数: 48

約数和(自身を含む): 172464768

約数和(自身を除く): 106594348

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, 42773, 85546, 171092, 213865, 299411, 427730, 470503, 598822, 855460, 941006, 1197644, 1497055, 1882012, 2352515, 2994110, 3293521, 4705030, 5988220, 6587042, 9410060, 13174084, 16467605, 32935210, 65870420]

約数ペア:

[(1, 65870420), (2, 32935210), (4, 16467605), (5, 13174084), (7, 9410060), (10, 6587042), (11, 5988220), (14, 4705030), (20, 3293521), (22, 2994110), (28, 2352515), (35, 1882012), (44, 1497055), (55, 1197644), (70, 941006), (77, 855460), (110, 598822), (140, 470503), (154, 427730), (220, 299411), (308, 213865), (385, 171092), (770, 85546), (1540, 42773)]