201435980

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{6221}}^1$

素因数の和:7849

約数の個数: 24

約数和(自身を含む): 423344880

約数和(自身を除く): 221908900

約数列:

[1, 2, 4, 5, 10, 20, 1619, 3238, 6221, 6476, 8095, 12442, 16190, 24884, 31105, 32380, 62210, 124420, 10071799, 20143598, 40287196, 50358995, 100717990, 201435980]

約数ペア:

[(1, 201435980), (2, 100717990), (4, 50358995), (5, 40287196), (10, 20143598), (20, 10071799), (1619, 124420), (3238, 62210), (6221, 32380), (6476, 31105), (8095, 24884), (12442, 16190)]