3111500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{127}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 7967232

約数和(自身を除く): 4855732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 127, 140, 175, 196, 245, 250, 254, 350, 490, 500, 508, 635, 700, 875, 889, 980, 1225, 1270, 1750, 1778, 2450, 2540, 3175, 3500, 3556, 4445, 4900, 6125, 6223, 6350, 8890, 12250, 12446, 12700, 15875, 17780, 22225, 24500, 24892, 31115, 31750, 44450, 62230, 63500, 88900, 111125, 124460, 155575, 222250, 311150, 444500, 622300, 777875, 1555750, 3111500]

約数ペア:

[(1, 3111500), (2, 1555750), (4, 777875), (5, 622300), (7, 444500), (10, 311150), (14, 222250), (20, 155575), (25, 124460), (28, 111125), (35, 88900), (49, 63500), (50, 62230), (70, 44450), (98, 31750), (100, 31115), (125, 24892), (127, 24500), (140, 22225), (175, 17780), (196, 15875), (245, 12700), (250, 12446), (254, 12250), (350, 8890), (490, 6350), (500, 6223), (508, 6125), (635, 4900), (700, 4445), (875, 3556), (889, 3500), (980, 3175), (1225, 2540), (1270, 2450), (1750, 1778)]