254036260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3319}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 552182400

約数和(自身を除く): 298146140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3319, 3827, 6638, 7654, 13276, 15308, 16595, 19135, 33190, 38270, 66380, 76540, 142717, 285434, 295391, 570868, 590782, 713585, 1181564, 1427170, 1476955, 2854340, 2953910, 5907820, 12701813, 25403626, 50807252, 63509065, 127018130, 254036260]

約数ペア:

[(1, 254036260), (2, 127018130), (4, 63509065), (5, 50807252), (10, 25403626), (20, 12701813), (43, 5907820), (86, 2953910), (89, 2854340), (172, 1476955), (178, 1427170), (215, 1181564), (356, 713585), (430, 590782), (445, 570868), (860, 295391), (890, 285434), (1780, 142717), (3319, 76540), (3827, 66380), (6638, 38270), (7654, 33190), (13276, 19135), (15308, 16595)]