149458960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{266891}}^1$

素因数の和:266911

約数の個数: 40

約数和(自身を含む): 397135296

約数和(自身を除く): 247676336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 266891, 533782, 1067564, 1334455, 1868237, 2135128, 2668910, 3736474, 4270256, 5337820, 7472948, 9341185, 10675640, 14945896, 18682370, 21351280, 29891792, 37364740, 74729480, 149458960]

約数ペア:

[(1, 149458960), (2, 74729480), (4, 37364740), (5, 29891792), (7, 21351280), (8, 18682370), (10, 14945896), (14, 10675640), (16, 9341185), (20, 7472948), (28, 5337820), (35, 4270256), (40, 3736474), (56, 2668910), (70, 2135128), (80, 1868237), (112, 1334455), (140, 1067564), (280, 533782), (560, 266891)]