788990020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{33347}}^1$

素因数の和:33389

約数の個数: 72

約数和(自身を含む): 2050501824

約数和(自身を除く): 1261511804

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 33347, 66694, 133388, 166735, 233429, 333470, 433511, 466858, 666940, 867022, 933716, 1167145, 1734044, 2167555, 2334290, 3034577, 4335110, 4668580, 5635643, 6069154, 8670220, 11271286, 12138308, 15172885, 22542572, 28178215, 30345770, 39449501, 56356430, 60691540, 78899002, 112712860, 157798004, 197247505, 394495010, 788990020]

約数ペア:

[(1, 788990020), (2, 394495010), (4, 197247505), (5, 157798004), (7, 112712860), (10, 78899002), (13, 60691540), (14, 56356430), (20, 39449501), (26, 30345770), (28, 28178215), (35, 22542572), (52, 15172885), (65, 12138308), (70, 11271286), (91, 8670220), (130, 6069154), (140, 5635643), (169, 4668580), (182, 4335110), (260, 3034577), (338, 2334290), (364, 2167555), (455, 1734044), (676, 1167145), (845, 933716), (910, 867022), (1183, 666940), (1690, 466858), (1820, 433511), (2366, 333470), (3380, 233429), (4732, 166735), (5915, 133388), (11830, 66694), (23660, 33347)]