90370000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1326

約数の個数: 100

約数和(自身を含む): 250244896

約数和(自身を除く): 159874896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1291, 1400, 1750, 2000, 2500, 2582, 2800, 3500, 4375, 5000, 5164, 6455, 7000, 8750, 9037, 10000, 10328, 12910, 14000, 17500, 18074, 20656, 25820, 32275, 35000, 36148, 45185, 51640, 64550, 70000, 72296, 90370, 103280, 129100, 144592, 161375, 180740, 225925, 258200, 322750, 361480, 451850, 516400, 645500, 722960, 806875, 903700, 1129625, 1291000, 1613750, 1807400, 2259250, 2582000, 3227500, 3614800, 4518500, 5648125, 6455000, 9037000, 11296250, 12910000, 18074000, 22592500, 45185000, 90370000]

約数ペア:

[(1, 90370000), (2, 45185000), (4, 22592500), (5, 18074000), (7, 12910000), (8, 11296250), (10, 9037000), (14, 6455000), (16, 5648125), (20, 4518500), (25, 3614800), (28, 3227500), (35, 2582000), (40, 2259250), (50, 1807400), (56, 1613750), (70, 1291000), (80, 1129625), (100, 903700), (112, 806875), (125, 722960), (140, 645500), (175, 516400), (200, 451850), (250, 361480), (280, 322750), (350, 258200), (400, 225925), (500, 180740), (560, 161375), (625, 144592), (700, 129100), (875, 103280), (1000, 90370), (1250, 72296), (1291, 70000), (1400, 64550), (1750, 51640), (2000, 45185), (2500, 36148), (2582, 35000), (2800, 32275), (3500, 25820), (4375, 20656), (5000, 18074), (5164, 17500), (6455, 14000), (7000, 12910), (8750, 10328), (9037, 10000)]