132400520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{472859}}^1$

素因数の和:472877

約数の個数: 32

約数和(自身を含む): 340459200

約数和(自身を除く): 208058680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 472859, 945718, 1891436, 2364295, 3310013, 3782872, 4728590, 6620026, 9457180, 13240052, 16550065, 18914360, 26480104, 33100130, 66200260, 132400520]

約数ペア:

[(1, 132400520), (2, 66200260), (4, 33100130), (5, 26480104), (7, 18914360), (8, 16550065), (10, 13240052), (14, 9457180), (20, 6620026), (28, 4728590), (35, 3782872), (40, 3310013), (56, 2364295), (70, 1891436), (140, 945718), (280, 472859)]