31115000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 85472640

約数和(自身を除く): 54357640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 127, 140, 175, 196, 200, 245, 250, 254, 280, 350, 392, 490, 500, 508, 625, 635, 700, 875, 889, 980, 1000, 1016, 1225, 1250, 1270, 1400, 1750, 1778, 1960, 2450, 2500, 2540, 3175, 3500, 3556, 4375, 4445, 4900, 5000, 5080, 6125, 6223, 6350, 7000, 7112, 8750, 8890, 9800, 12250, 12446, 12700, 15875, 17500, 17780, 22225, 24500, 24892, 25400, 30625, 31115, 31750, 35000, 35560, 44450, 49000, 49784, 61250, 62230, 63500, 79375, 88900, 111125, 122500, 124460, 127000, 155575, 158750, 177800, 222250, 245000, 248920, 311150, 317500, 444500, 555625, 622300, 635000, 777875, 889000, 1111250, 1244600, 1555750, 2222500, 3111500, 3889375, 4445000, 6223000, 7778750, 15557500, 31115000]

約数ペア:

[(1, 31115000), (2, 15557500), (4, 7778750), (5, 6223000), (7, 4445000), (8, 3889375), (10, 3111500), (14, 2222500), (20, 1555750), (25, 1244600), (28, 1111250), (35, 889000), (40, 777875), (49, 635000), (50, 622300), (56, 555625), (70, 444500), (98, 317500), (100, 311150), (125, 248920), (127, 245000), (140, 222250), (175, 177800), (196, 158750), (200, 155575), (245, 127000), (250, 124460), (254, 122500), (280, 111125), (350, 88900), (392, 79375), (490, 63500), (500, 62230), (508, 61250), (625, 49784), (635, 49000), (700, 44450), (875, 35560), (889, 35000), (980, 31750), (1000, 31115), (1016, 30625), (1225, 25400), (1250, 24892), (1270, 24500), (1400, 22225), (1750, 17780), (1778, 17500), (1960, 15875), (2450, 12700), (2500, 12446), (2540, 12250), (3175, 9800), (3500, 8890), (3556, 8750), (4375, 7112), (4445, 7000), (4900, 6350), (5000, 6223), (5080, 6125)]