391182680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{199583}}^1$

素因数の和:199608

約数の個数: 48

約数和(自身を含む): 1023865920

約数和(自身を除く): 632683240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 199583, 399166, 798332, 997915, 1397081, 1596664, 1995830, 2794162, 3991660, 5588324, 6985405, 7983320, 9779567, 11176648, 13970810, 19559134, 27941620, 39118268, 48897835, 55883240, 78236536, 97795670, 195591340, 391182680]

約数ペア:

[(1, 391182680), (2, 195591340), (4, 97795670), (5, 78236536), (7, 55883240), (8, 48897835), (10, 39118268), (14, 27941620), (20, 19559134), (28, 13970810), (35, 11176648), (40, 9779567), (49, 7983320), (56, 6985405), (70, 5588324), (98, 3991660), (140, 2794162), (196, 1995830), (245, 1596664), (280, 1397081), (392, 997915), (490, 798332), (980, 399166), (1960, 199583)]