12862500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^3$

素因数の和:53

約数の個数: 144

約数和(自身を含む): 43747200

約数和(自身を除く): 30884700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 343, 350, 375, 420, 490, 500, 525, 588, 625, 686, 700, 735, 750, 875, 980, 1029, 1050, 1225, 1250, 1372, 1470, 1500, 1715, 1750, 1875, 2058, 2100, 2450, 2500, 2625, 2940, 3125, 3430, 3500, 3675, 3750, 4116, 4375, 4900, 5145, 5250, 6125, 6250, 6860, 7350, 7500, 8575, 8750, 9375, 10290, 10500, 12250, 12500, 13125, 14700, 17150, 17500, 18375, 18750, 20580, 21875, 24500, 25725, 26250, 30625, 34300, 36750, 37500, 42875, 43750, 51450, 52500, 61250, 65625, 73500, 85750, 87500, 91875, 102900, 122500, 128625, 131250, 153125, 171500, 183750, 214375, 257250, 262500, 306250, 367500, 428750, 459375, 514500, 612500, 643125, 857500, 918750, 1071875, 1286250, 1837500, 2143750, 2572500, 3215625, 4287500, 6431250, 12862500]

約数ペア:

[(1, 12862500), (2, 6431250), (3, 4287500), (4, 3215625), (5, 2572500), (6, 2143750), (7, 1837500), (10, 1286250), (12, 1071875), (14, 918750), (15, 857500), (20, 643125), (21, 612500), (25, 514500), (28, 459375), (30, 428750), (35, 367500), (42, 306250), (49, 262500), (50, 257250), (60, 214375), (70, 183750), (75, 171500), (84, 153125), (98, 131250), (100, 128625), (105, 122500), (125, 102900), (140, 91875), (147, 87500), (150, 85750), (175, 73500), (196, 65625), (210, 61250), (245, 52500), (250, 51450), (294, 43750), (300, 42875), (343, 37500), (350, 36750), (375, 34300), (420, 30625), (490, 26250), (500, 25725), (525, 24500), (588, 21875), (625, 20580), (686, 18750), (700, 18375), (735, 17500), (750, 17150), (875, 14700), (980, 13125), (1029, 12500), (1050, 12250), (1225, 10500), (1250, 10290), (1372, 9375), (1470, 8750), (1500, 8575), (1715, 7500), (1750, 7350), (1875, 6860), (2058, 6250), (2100, 6125), (2450, 5250), (2500, 5145), (2625, 4900), (2940, 4375), (3125, 4116), (3430, 3750), (3500, 3675)]