99668240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{177979}}^1$

素因数の和:177999

約数の個数: 40

約数和(自身を含む): 264834240

約数和(自身を除く): 165166000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 177979, 355958, 711916, 889895, 1245853, 1423832, 1779790, 2491706, 2847664, 3559580, 4983412, 6229265, 7119160, 9966824, 12458530, 14238320, 19933648, 24917060, 49834120, 99668240]

約数ペア:

[(1, 99668240), (2, 49834120), (4, 24917060), (5, 19933648), (7, 14238320), (8, 12458530), (10, 9966824), (14, 7119160), (16, 6229265), (20, 4983412), (28, 3559580), (35, 2847664), (40, 2491706), (56, 1779790), (70, 1423832), (80, 1245853), (112, 889895), (140, 711916), (280, 355958), (560, 177979)]