8207500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 90

約数和(自身を含む): 21190092

約数和(自身を除く): 12982592

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 67, 70, 98, 100, 125, 134, 140, 175, 196, 245, 250, 268, 335, 350, 469, 490, 500, 625, 670, 700, 875, 938, 980, 1225, 1250, 1340, 1675, 1750, 1876, 2345, 2450, 2500, 3283, 3350, 3500, 4375, 4690, 4900, 6125, 6566, 6700, 8375, 8750, 9380, 11725, 12250, 13132, 16415, 16750, 17500, 23450, 24500, 30625, 32830, 33500, 41875, 46900, 58625, 61250, 65660, 82075, 83750, 117250, 122500, 164150, 167500, 234500, 293125, 328300, 410375, 586250, 820750, 1172500, 1641500, 2051875, 4103750, 8207500]

約数ペア:

[(1, 8207500), (2, 4103750), (4, 2051875), (5, 1641500), (7, 1172500), (10, 820750), (14, 586250), (20, 410375), (25, 328300), (28, 293125), (35, 234500), (49, 167500), (50, 164150), (67, 122500), (70, 117250), (98, 83750), (100, 82075), (125, 65660), (134, 61250), (140, 58625), (175, 46900), (196, 41875), (245, 33500), (250, 32830), (268, 30625), (335, 24500), (350, 23450), (469, 17500), (490, 16750), (500, 16415), (625, 13132), (670, 12250), (700, 11725), (875, 9380), (938, 8750), (980, 8375), (1225, 6700), (1250, 6566), (1340, 6125), (1675, 4900), (1750, 4690), (1876, 4375), (2345, 3500), (2450, 3350), (2500, 3283)]