1200500

素因数分解:

$2^2\times 5^3\times 7^4$

素因数の和:47

約数の個数: 60

約数和(自身を含む): 3058692

約数和(自身を除く): 1858192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 343, 350, 490, 500, 686, 700, 875, 980, 1225, 1372, 1715, 1750, 2401, 2450, 3430, 3500, 4802, 4900, 6125, 6860, 8575, 9604, 12005, 12250, 17150, 24010, 24500, 34300, 42875, 48020, 60025, 85750, 120050, 171500, 240100, 300125, 600250, 1200500]

約数ペア:

[(1, 1200500), (2, 600250), (4, 300125), (5, 240100), (7, 171500), (10, 120050), (14, 85750), (20, 60025), (25, 48020), (28, 42875), (35, 34300), (49, 24500), (50, 24010), (70, 17150), (98, 12250), (100, 12005), (125, 9604), (140, 8575), (175, 6860), (196, 6125), (245, 4900), (250, 4802), (343, 3500), (350, 3430), (490, 2450), (500, 2401), (686, 1750), (700, 1715), (875, 1372), (980, 1225)]