1609968500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{65713}}^1$

素因数の和:65746

約数の個数: 72

約数和(自身を含む): 4090302216

約数和(自身を除く): 2480333716

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, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 12250, 24500, 65713, 131426, 262852, 328565, 459991, 657130, 919982, 1314260, 1642825, 1839964, 2299955, 3219937, 3285650, 4599910, 6439874, 6571300, 8214125, 9199820, 11499775, 12879748, 16099685, 16428250, 22999550, 32199370, 32856500, 45999100, 57498875, 64398740, 80498425, 114997750, 160996850, 229995500, 321993700, 402492125, 804984250, 1609968500]

約数ペア:

[(1, 1609968500), (2, 804984250), (4, 402492125), (5, 321993700), (7, 229995500), (10, 160996850), (14, 114997750), (20, 80498425), (25, 64398740), (28, 57498875), (35, 45999100), (49, 32856500), (50, 32199370), (70, 22999550), (98, 16428250), (100, 16099685), (125, 12879748), (140, 11499775), (175, 9199820), (196, 8214125), (245, 6571300), (250, 6439874), (350, 4599910), (490, 3285650), (500, 3219937), (700, 2299955), (875, 1839964), (980, 1642825), (1225, 1314260), (1750, 919982), (2450, 657130), (3500, 459991), (4900, 328565), (6125, 262852), (12250, 131426), (24500, 65713)]