161778650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2749}}^1$

素因数の和:2879

約数の個数: 48

約数和(自身を含む): 331452000

約数和(自身を除く): 169673350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 214, 275, 535, 550, 1070, 1177, 2354, 2675, 2749, 5350, 5498, 5885, 11770, 13745, 27490, 29425, 30239, 58850, 60478, 68725, 137450, 151195, 294143, 302390, 588286, 755975, 1470715, 1511950, 2941430, 3235573, 6471146, 7353575, 14707150, 16177865, 32355730, 80889325, 161778650]

約数ペア:

[(1, 161778650), (2, 80889325), (5, 32355730), (10, 16177865), (11, 14707150), (22, 7353575), (25, 6471146), (50, 3235573), (55, 2941430), (107, 1511950), (110, 1470715), (214, 755975), (275, 588286), (535, 302390), (550, 294143), (1070, 151195), (1177, 137450), (2354, 68725), (2675, 60478), (2749, 58850), (5350, 30239), (5498, 29425), (5885, 27490), (11770, 13745)]