1900647560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{51817}}^1$

素因数の和:51966

約数の個数: 64

約数和(自身を含む): 4924782720

約数和(自身を除く): 3024135160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 51817, 103634, 207268, 259085, 362719, 414536, 518170, 725438, 1036340, 1450876, 1813595, 2072680, 2901752, 3627190, 6788027, 7254380, 13576054, 14508760, 27152108, 33940135, 47516189, 54304216, 67880270, 95032378, 135760540, 190064756, 237580945, 271521080, 380129512, 475161890, 950323780, 1900647560]

約数ペア:

[(1, 1900647560), (2, 950323780), (4, 475161890), (5, 380129512), (7, 271521080), (8, 237580945), (10, 190064756), (14, 135760540), (20, 95032378), (28, 67880270), (35, 54304216), (40, 47516189), (56, 33940135), (70, 27152108), (131, 14508760), (140, 13576054), (262, 7254380), (280, 6788027), (524, 3627190), (655, 2901752), (917, 2072680), (1048, 1813595), (1310, 1450876), (1834, 1036340), (2620, 725438), (3668, 518170), (4585, 414536), (5240, 362719), (7336, 259085), (9170, 207268), (18340, 103634), (36680, 51817)]