42507500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 90

約数和(自身を含む): 108443412

約数和(自身を除く): 65935912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 347, 350, 490, 500, 625, 694, 700, 875, 980, 1225, 1250, 1388, 1735, 1750, 2429, 2450, 2500, 3470, 3500, 4375, 4858, 4900, 6125, 6940, 8675, 8750, 9716, 12145, 12250, 17003, 17350, 17500, 24290, 24500, 30625, 34006, 34700, 43375, 48580, 60725, 61250, 68012, 85015, 86750, 121450, 122500, 170030, 173500, 216875, 242900, 303625, 340060, 425075, 433750, 607250, 850150, 867500, 1214500, 1518125, 1700300, 2125375, 3036250, 4250750, 6072500, 8501500, 10626875, 21253750, 42507500]

約数ペア:

[(1, 42507500), (2, 21253750), (4, 10626875), (5, 8501500), (7, 6072500), (10, 4250750), (14, 3036250), (20, 2125375), (25, 1700300), (28, 1518125), (35, 1214500), (49, 867500), (50, 850150), (70, 607250), (98, 433750), (100, 425075), (125, 340060), (140, 303625), (175, 242900), (196, 216875), (245, 173500), (250, 170030), (347, 122500), (350, 121450), (490, 86750), (500, 85015), (625, 68012), (694, 61250), (700, 60725), (875, 48580), (980, 43375), (1225, 34700), (1250, 34006), (1388, 30625), (1735, 24500), (1750, 24290), (2429, 17500), (2450, 17350), (2500, 17003), (3470, 12250), (3500, 12145), (4375, 9716), (4858, 8750), (4900, 8675), (6125, 6940)]