15974000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 120

約数和(自身を含む): 45206928

約数和(自身を除く): 29232928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 163, 175, 196, 200, 245, 250, 280, 326, 350, 392, 400, 490, 500, 560, 652, 700, 784, 815, 875, 980, 1000, 1141, 1225, 1304, 1400, 1630, 1750, 1960, 2000, 2282, 2450, 2608, 2800, 3260, 3500, 3920, 4075, 4564, 4900, 5705, 6125, 6520, 7000, 7987, 8150, 9128, 9800, 11410, 12250, 13040, 14000, 15974, 16300, 18256, 19600, 20375, 22820, 24500, 28525, 31948, 32600, 39935, 40750, 45640, 49000, 57050, 63896, 65200, 79870, 81500, 91280, 98000, 114100, 127792, 142625, 159740, 163000, 199675, 228200, 285250, 319480, 326000, 399350, 456400, 570500, 638960, 798700, 998375, 1141000, 1597400, 1996750, 2282000, 3194800, 3993500, 7987000, 15974000]

約数ペア:

[(1, 15974000), (2, 7987000), (4, 3993500), (5, 3194800), (7, 2282000), (8, 1996750), (10, 1597400), (14, 1141000), (16, 998375), (20, 798700), (25, 638960), (28, 570500), (35, 456400), (40, 399350), (49, 326000), (50, 319480), (56, 285250), (70, 228200), (80, 199675), (98, 163000), (100, 159740), (112, 142625), (125, 127792), (140, 114100), (163, 98000), (175, 91280), (196, 81500), (200, 79870), (245, 65200), (250, 63896), (280, 57050), (326, 49000), (350, 45640), (392, 40750), (400, 39935), (490, 32600), (500, 31948), (560, 28525), (652, 24500), (700, 22820), (784, 20375), (815, 19600), (875, 18256), (980, 16300), (1000, 15974), (1141, 14000), (1225, 13040), (1304, 12250), (1400, 11410), (1630, 9800), (1750, 9128), (1960, 8150), (2000, 7987), (2282, 7000), (2450, 6520), (2608, 6125), (2800, 5705), (3260, 4900), (3500, 4564), (3920, 4075)]