206902640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{369469}}^1$

素因数の和:369489

約数の個数: 40

約数和(自身を含む): 549771360

約数和(自身を除く): 342868720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 369469, 738938, 1477876, 1847345, 2586283, 2955752, 3694690, 5172566, 5911504, 7389380, 10345132, 12931415, 14778760, 20690264, 25862830, 29557520, 41380528, 51725660, 103451320, 206902640]

約数ペア:

[(1, 206902640), (2, 103451320), (4, 51725660), (5, 41380528), (7, 29557520), (8, 25862830), (10, 20690264), (14, 14778760), (16, 12931415), (20, 10345132), (28, 7389380), (35, 5911504), (40, 5172566), (56, 3694690), (70, 2955752), (80, 2586283), (112, 1847345), (140, 1477876), (280, 738938), (560, 369469)]