24745000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 68111010

約数和(自身を除く): 43366010

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, 3500, 3535, 4040, 4375, 4900, 4949, 5000, 5050, 5656, 6125, 7000, 7070, 8750, 9800, 9898, 10100, 12250, 12625, 14140, 17500, 17675, 19796, 20200, 24500, 24745, 25250, 28280, 30625, 35000, 35350, 39592, 49000, 49490, 50500, 61250, 63125, 70700, 88375, 98980, 101000, 122500, 123725, 126250, 141400, 176750, 197960, 245000, 247450, 252500, 353500, 441875, 494900, 505000, 618625, 707000, 883750, 989800, 1237250, 1767500, 2474500, 3093125, 3535000, 4949000, 6186250, 12372500, 24745000]

約数ペア:

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