128615900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5927}}^1$

素因数の和:5979

約数の個数: 72

約数和(自身を含む): 329312256

約数和(自身を除く): 200696356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4340, 5425, 5927, 10850, 11854, 21700, 23708, 29635, 41489, 59270, 82978, 118540, 148175, 165956, 183737, 207445, 296350, 367474, 414890, 592700, 734948, 829780, 918685, 1037225, 1286159, 1837370, 2074450, 2572318, 3674740, 4148900, 4593425, 5144636, 6430795, 9186850, 12861590, 18373700, 25723180, 32153975, 64307950, 128615900]

約数ペア:

[(1, 128615900), (2, 64307950), (4, 32153975), (5, 25723180), (7, 18373700), (10, 12861590), (14, 9186850), (20, 6430795), (25, 5144636), (28, 4593425), (31, 4148900), (35, 3674740), (50, 2572318), (62, 2074450), (70, 1837370), (100, 1286159), (124, 1037225), (140, 918685), (155, 829780), (175, 734948), (217, 592700), (310, 414890), (350, 367474), (434, 296350), (620, 207445), (700, 183737), (775, 165956), (868, 148175), (1085, 118540), (1550, 82978), (2170, 59270), (3100, 41489), (4340, 29635), (5425, 23708), (5927, 21700), (10850, 11854)]