221966220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{528491}}^1$

素因数の和:528510

約数の個数: 48

約数和(自身を含む): 710293248

約数和(自身を除く): 488327028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 528491, 1056982, 1585473, 2113964, 2642455, 3170946, 3699437, 5284910, 6341892, 7398874, 7927365, 10569820, 11098311, 14797748, 15854730, 18497185, 22196622, 31709460, 36994370, 44393244, 55491555, 73988740, 110983110, 221966220]

約数ペア:

[(1, 221966220), (2, 110983110), (3, 73988740), (4, 55491555), (5, 44393244), (6, 36994370), (7, 31709460), (10, 22196622), (12, 18497185), (14, 15854730), (15, 14797748), (20, 11098311), (21, 10569820), (28, 7927365), (30, 7398874), (35, 6341892), (42, 5284910), (60, 3699437), (70, 3170946), (84, 2642455), (105, 2113964), (140, 1585473), (210, 1056982), (420, 528491)]