77309860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{523}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 171662400

約数和(自身を除く): 94352540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 523, 778, 1046, 1556, 1945, 2092, 2615, 3890, 5230, 7391, 7780, 9937, 10460, 14782, 19874, 29564, 36955, 39748, 49685, 73910, 99370, 147820, 198740, 203447, 406894, 813788, 1017235, 2034470, 3865493, 4068940, 7730986, 15461972, 19327465, 38654930, 77309860]

約数ペア:

[(1, 77309860), (2, 38654930), (4, 19327465), (5, 15461972), (10, 7730986), (19, 4068940), (20, 3865493), (38, 2034470), (76, 1017235), (95, 813788), (190, 406894), (380, 203447), (389, 198740), (523, 147820), (778, 99370), (1046, 73910), (1556, 49685), (1945, 39748), (2092, 36955), (2615, 29564), (3890, 19874), (5230, 14782), (7391, 10460), (7780, 9937)]