84647500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 90

約数和(自身を含む): 215640348

約数和(自身を除く): 130992848

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, 350, 490, 500, 625, 691, 700, 875, 980, 1225, 1250, 1382, 1750, 2450, 2500, 2764, 3455, 3500, 4375, 4837, 4900, 6125, 6910, 8750, 9674, 12250, 13820, 17275, 17500, 19348, 24185, 24500, 30625, 33859, 34550, 48370, 61250, 67718, 69100, 86375, 96740, 120925, 122500, 135436, 169295, 172750, 241850, 338590, 345500, 431875, 483700, 604625, 677180, 846475, 863750, 1209250, 1692950, 1727500, 2418500, 3023125, 3385900, 4232375, 6046250, 8464750, 12092500, 16929500, 21161875, 42323750, 84647500]

約数ペア:

[(1, 84647500), (2, 42323750), (4, 21161875), (5, 16929500), (7, 12092500), (10, 8464750), (14, 6046250), (20, 4232375), (25, 3385900), (28, 3023125), (35, 2418500), (49, 1727500), (50, 1692950), (70, 1209250), (98, 863750), (100, 846475), (125, 677180), (140, 604625), (175, 483700), (196, 431875), (245, 345500), (250, 338590), (350, 241850), (490, 172750), (500, 169295), (625, 135436), (691, 122500), (700, 120925), (875, 96740), (980, 86375), (1225, 69100), (1250, 67718), (1382, 61250), (1750, 48370), (2450, 34550), (2500, 33859), (2764, 30625), (3455, 24500), (3500, 24185), (4375, 19348), (4837, 17500), (4900, 17275), (6125, 13820), (6910, 12250), (8750, 9674)]