990122560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{442019}}^1$

素因数の和:442043

約数の個数: 56

約数和(自身を含む): 2694553920

約数和(自身を除く): 1704431360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 442019, 884038, 1768076, 2210095, 3094133, 3536152, 4420190, 6188266, 7072304, 8840380, 12376532, 14144608, 15470665, 17680760, 24753064, 28289216, 30941330, 35361520, 49506128, 61882660, 70723040, 99012256, 123765320, 141446080, 198024512, 247530640, 495061280, 990122560]

約数ペア:

[(1, 990122560), (2, 495061280), (4, 247530640), (5, 198024512), (7, 141446080), (8, 123765320), (10, 99012256), (14, 70723040), (16, 61882660), (20, 49506128), (28, 35361520), (32, 30941330), (35, 28289216), (40, 24753064), (56, 17680760), (64, 15470665), (70, 14144608), (80, 12376532), (112, 8840380), (140, 7072304), (160, 6188266), (224, 4420190), (280, 3536152), (320, 3094133), (448, 2210095), (560, 1768076), (1120, 884038), (2240, 442019)]