2589160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1321}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 6781860

約数和(自身を除く): 4192700

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, 1321, 1960, 2642, 5284, 6605, 9247, 10568, 13210, 18494, 26420, 36988, 46235, 52840, 64729, 73976, 92470, 129458, 184940, 258916, 323645, 369880, 517832, 647290, 1294580, 2589160]

約数ペア:

[(1, 2589160), (2, 1294580), (4, 647290), (5, 517832), (7, 369880), (8, 323645), (10, 258916), (14, 184940), (20, 129458), (28, 92470), (35, 73976), (40, 64729), (49, 52840), (56, 46235), (70, 36988), (98, 26420), (140, 18494), (196, 13210), (245, 10568), (280, 9247), (392, 6605), (490, 5284), (980, 2642), (1321, 1960)]