205900520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{735359}}^1$

素因数の和:735377

約数の個数: 32

約数和(自身を含む): 529459200

約数和(自身を除く): 323558680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 735359, 1470718, 2941436, 3676795, 5147513, 5882872, 7353590, 10295026, 14707180, 20590052, 25737565, 29414360, 41180104, 51475130, 102950260, 205900520]

約数ペア:

[(1, 205900520), (2, 102950260), (4, 51475130), (5, 41180104), (7, 29414360), (8, 25737565), (10, 20590052), (14, 14707180), (20, 10295026), (28, 7353590), (35, 5882872), (40, 5147513), (56, 3676795), (70, 2941436), (140, 1470718), (280, 735359)]