901040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1629

約数の個数: 40

約数和(自身を含む): 2395680

約数和(自身を除く): 1494640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1609, 3218, 6436, 8045, 11263, 12872, 16090, 22526, 25744, 32180, 45052, 56315, 64360, 90104, 112630, 128720, 180208, 225260, 450520, 901040]

約数ペア:

[(1, 901040), (2, 450520), (4, 225260), (5, 180208), (7, 128720), (8, 112630), (10, 90104), (14, 64360), (16, 56315), (20, 45052), (28, 32180), (35, 25744), (40, 22526), (56, 16090), (70, 12872), (80, 11263), (112, 8045), (140, 6436), (280, 3218), (560, 1609)]