123725000

素因数分解:

$2^3\times 5^5\times 7^2\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 340642260

約数和(自身を除く): 216917260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 101, 125, 140, 175, 196, 200, 202, 245, 250, 280, 350, 392, 404, 490, 500, 505, 625, 700, 707, 808, 875, 980, 1000, 1010, 1225, 1250, 1400, 1414, 1750, 1960, 2020, 2450, 2500, 2525, 2828, 3125, 3500, 3535, 4040, 4375, 4900, 4949, 5000, 5050, 5656, 6125, 6250, 7000, 7070, 8750, 9800, 9898, 10100, 12250, 12500, 12625, 14140, 17500, 17675, 19796, 20200, 21875, 24500, 24745, 25000, 25250, 28280, 30625, 35000, 35350, 39592, 43750, 49000, 49490, 50500, 61250, 63125, 70700, 87500, 88375, 98980, 101000, 122500, 123725, 126250, 141400, 153125, 175000, 176750, 197960, 245000, 247450, 252500, 306250, 315625, 353500, 441875, 494900, 505000, 612500, 618625, 631250, 707000, 883750, 989800, 1225000, 1237250, 1262500, 1767500, 2209375, 2474500, 2525000, 3093125, 3535000, 4418750, 4949000, 6186250, 8837500, 12372500, 15465625, 17675000, 24745000, 30931250, 61862500, 123725000]

約数ペア:

[(1, 123725000), (2, 61862500), (4, 30931250), (5, 24745000), (7, 17675000), (8, 15465625), (10, 12372500), (14, 8837500), (20, 6186250), (25, 4949000), (28, 4418750), (35, 3535000), (40, 3093125), (49, 2525000), (50, 2474500), (56, 2209375), (70, 1767500), (98, 1262500), (100, 1237250), (101, 1225000), (125, 989800), (140, 883750), (175, 707000), (196, 631250), (200, 618625), (202, 612500), (245, 505000), (250, 494900), (280, 441875), (350, 353500), (392, 315625), (404, 306250), (490, 252500), (500, 247450), (505, 245000), (625, 197960), (700, 176750), (707, 175000), (808, 153125), (875, 141400), (980, 126250), (1000, 123725), (1010, 122500), (1225, 101000), (1250, 98980), (1400, 88375), (1414, 87500), (1750, 70700), (1960, 63125), (2020, 61250), (2450, 50500), (2500, 49490), (2525, 49000), (2828, 43750), (3125, 39592), (3500, 35350), (3535, 35000), (4040, 30625), (4375, 28280), (4900, 25250), (4949, 25000), (5000, 24745), (5050, 24500), (5656, 21875), (6125, 20200), (6250, 19796), (7000, 17675), (7070, 17500), (8750, 14140), (9800, 12625), (9898, 12500), (10100, 12250)]