338204020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{219613}}^1$

素因数の和:219640

約数の個数: 48

約数和(自身を含む): 885483648

約数和(自身を除く): 547279628

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, 219613, 439226, 878452, 1098065, 1537291, 2196130, 2415743, 3074582, 4392260, 4831486, 6149164, 7686455, 9662972, 12078715, 15372910, 16910201, 24157430, 30745820, 33820402, 48314860, 67640804, 84551005, 169102010, 338204020]

約数ペア:

[(1, 338204020), (2, 169102010), (4, 84551005), (5, 67640804), (7, 48314860), (10, 33820402), (11, 30745820), (14, 24157430), (20, 16910201), (22, 15372910), (28, 12078715), (35, 9662972), (44, 7686455), (55, 6149164), (70, 4831486), (77, 4392260), (110, 3074582), (140, 2415743), (154, 2196130), (220, 1537291), (308, 1098065), (385, 878452), (770, 439226), (1540, 219613)]