2553880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1303}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 6689520

約数和(自身を除く): 4135640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1303, 1960, 2606, 5212, 6515, 9121, 10424, 13030, 18242, 26060, 36484, 45605, 52120, 63847, 72968, 91210, 127694, 182420, 255388, 319235, 364840, 510776, 638470, 1276940, 2553880]

約数ペア:

[(1, 2553880), (2, 1276940), (4, 638470), (5, 510776), (7, 364840), (8, 319235), (10, 255388), (14, 182420), (20, 127694), (28, 91210), (35, 72968), (40, 63847), (49, 52120), (56, 45605), (70, 36484), (98, 26060), (140, 18242), (196, 13030), (245, 10424), (280, 9121), (392, 6515), (490, 5212), (980, 2606), (1303, 1960)]