1294580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1321}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 3164868

約数和(自身を除く): 1870288

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1321, 2642, 5284, 6605, 9247, 13210, 18494, 26420, 36988, 46235, 64729, 92470, 129458, 184940, 258916, 323645, 647290, 1294580]

約数ペア:

[(1, 1294580), (2, 647290), (4, 323645), (5, 258916), (7, 184940), (10, 129458), (14, 92470), (20, 64729), (28, 46235), (35, 36988), (49, 26420), (70, 18494), (98, 13210), (140, 9247), (196, 6605), (245, 5284), (490, 2642), (980, 1321)]