1900640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1697}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 5134752

約数和(自身を除く): 3234112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1697, 3394, 6788, 8485, 11879, 13576, 16970, 23758, 27152, 33940, 47516, 54304, 59395, 67880, 95032, 118790, 135760, 190064, 237580, 271520, 380128, 475160, 950320, 1900640]

約数ペア:

[(1, 1900640), (2, 950320), (4, 475160), (5, 380128), (7, 271520), (8, 237580), (10, 190064), (14, 135760), (16, 118790), (20, 95032), (28, 67880), (32, 59395), (35, 54304), (40, 47516), (56, 33940), (70, 27152), (80, 23758), (112, 16970), (140, 13576), (160, 11879), (224, 8485), (280, 6788), (560, 3394), (1120, 1697)]