7987000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 21874320

約数和(自身を除く): 13887320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 163, 175, 196, 200, 245, 250, 280, 326, 350, 392, 490, 500, 652, 700, 815, 875, 980, 1000, 1141, 1225, 1304, 1400, 1630, 1750, 1960, 2282, 2450, 3260, 3500, 4075, 4564, 4900, 5705, 6125, 6520, 7000, 7987, 8150, 9128, 9800, 11410, 12250, 15974, 16300, 20375, 22820, 24500, 28525, 31948, 32600, 39935, 40750, 45640, 49000, 57050, 63896, 79870, 81500, 114100, 142625, 159740, 163000, 199675, 228200, 285250, 319480, 399350, 570500, 798700, 998375, 1141000, 1597400, 1996750, 3993500, 7987000]

約数ペア:

[(1, 7987000), (2, 3993500), (4, 1996750), (5, 1597400), (7, 1141000), (8, 998375), (10, 798700), (14, 570500), (20, 399350), (25, 319480), (28, 285250), (35, 228200), (40, 199675), (49, 163000), (50, 159740), (56, 142625), (70, 114100), (98, 81500), (100, 79870), (125, 63896), (140, 57050), (163, 49000), (175, 45640), (196, 40750), (200, 39935), (245, 32600), (250, 31948), (280, 28525), (326, 24500), (350, 22820), (392, 20375), (490, 16300), (500, 15974), (652, 12250), (700, 11410), (815, 9800), (875, 9128), (980, 8150), (1000, 7987), (1141, 7000), (1225, 6520), (1304, 6125), (1400, 5705), (1630, 4900), (1750, 4564), (1960, 4075), (2282, 3500), (2450, 3260)]