1442840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5153}}^1$

素因数の和:5171

約数の個数: 32

約数和(自身を含む): 3710880

約数和(自身を除く): 2268040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5153, 10306, 20612, 25765, 36071, 41224, 51530, 72142, 103060, 144284, 180355, 206120, 288568, 360710, 721420, 1442840]

約数ペア:

[(1, 1442840), (2, 721420), (4, 360710), (5, 288568), (7, 206120), (8, 180355), (10, 144284), (14, 103060), (20, 72142), (28, 51530), (35, 41224), (40, 36071), (56, 25765), (70, 20612), (140, 10306), (280, 5153)]