12945800

素因数分解:

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

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 35039610

約数和(自身を除く): 22093810

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1321, 1400, 1960, 2450, 2642, 4900, 5284, 6605, 9247, 9800, 10568, 13210, 18494, 26420, 33025, 36988, 46235, 52840, 64729, 66050, 73976, 92470, 129458, 132100, 184940, 231175, 258916, 264200, 323645, 369880, 462350, 517832, 647290, 924700, 1294580, 1618225, 1849400, 2589160, 3236450, 6472900, 12945800]

約数ペア:

[(1, 12945800), (2, 6472900), (4, 3236450), (5, 2589160), (7, 1849400), (8, 1618225), (10, 1294580), (14, 924700), (20, 647290), (25, 517832), (28, 462350), (35, 369880), (40, 323645), (49, 264200), (50, 258916), (56, 231175), (70, 184940), (98, 132100), (100, 129458), (140, 92470), (175, 73976), (196, 66050), (200, 64729), (245, 52840), (280, 46235), (350, 36988), (392, 33025), (490, 26420), (700, 18494), (980, 13210), (1225, 10568), (1321, 9800), (1400, 9247), (1960, 6605), (2450, 5284), (2642, 4900)]