1637020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2653028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1063, 1540, 2126, 4252, 5315, 7441, 10630, 11693, 14882, 21260, 23386, 29764, 37205, 46772, 58465, 74410, 81851, 116930, 148820, 163702, 233860, 327404, 409255, 818510, 1637020]

約数ペア:

[(1, 1637020), (2, 818510), (4, 409255), (5, 327404), (7, 233860), (10, 163702), (11, 148820), (14, 116930), (20, 81851), (22, 74410), (28, 58465), (35, 46772), (44, 37205), (55, 29764), (70, 23386), (77, 21260), (110, 14882), (140, 11693), (154, 10630), (220, 7441), (308, 5315), (385, 4252), (770, 2126), (1063, 1540)]