258180620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{1607}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 563250240

約数和(自身を除く): 305069620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 277, 290, 554, 580, 1108, 1385, 1607, 2770, 3214, 5540, 6428, 8033, 8035, 16066, 16070, 32132, 32140, 40165, 46603, 80330, 93206, 160660, 186412, 233015, 445139, 466030, 890278, 932060, 1780556, 2225695, 4451390, 8902780, 12909031, 25818062, 51636124, 64545155, 129090310, 258180620]

約数ペア:

[(1, 258180620), (2, 129090310), (4, 64545155), (5, 51636124), (10, 25818062), (20, 12909031), (29, 8902780), (58, 4451390), (116, 2225695), (145, 1780556), (277, 932060), (290, 890278), (554, 466030), (580, 445139), (1108, 233015), (1385, 186412), (1607, 160660), (2770, 93206), (3214, 80330), (5540, 46603), (6428, 40165), (8033, 32140), (8035, 32132), (16066, 16070)]