132775540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 285238800

約数和(自身を除く): 152463260

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 178, 194, 356, 388, 445, 485, 769, 890, 970, 1538, 1780, 1940, 3076, 3845, 7690, 8633, 15380, 17266, 34532, 43165, 68441, 74593, 86330, 136882, 149186, 172660, 273764, 298372, 342205, 372965, 684410, 745930, 1368820, 1491860, 6638777, 13277554, 26555108, 33193885, 66387770, 132775540]

約数ペア:

[(1, 132775540), (2, 66387770), (4, 33193885), (5, 26555108), (10, 13277554), (20, 6638777), (89, 1491860), (97, 1368820), (178, 745930), (194, 684410), (356, 372965), (388, 342205), (445, 298372), (485, 273764), (769, 172660), (890, 149186), (970, 136882), (1538, 86330), (1780, 74593), (1940, 68441), (3076, 43165), (3845, 34532), (7690, 17266), (8633, 15380)]