2372740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 2949500

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 89, 124, 155, 172, 178, 215, 310, 356, 430, 445, 620, 860, 890, 1333, 1780, 2666, 2759, 3827, 5332, 5518, 6665, 7654, 11036, 13330, 13795, 15308, 19135, 26660, 27590, 38270, 55180, 76540, 118637, 237274, 474548, 593185, 1186370, 2372740]

約数ペア:

[(1, 2372740), (2, 1186370), (4, 593185), (5, 474548), (10, 237274), (20, 118637), (31, 76540), (43, 55180), (62, 38270), (86, 27590), (89, 26660), (124, 19135), (155, 15308), (172, 13795), (178, 13330), (215, 11036), (310, 7654), (356, 6665), (430, 5518), (445, 5332), (620, 3827), (860, 2759), (890, 2666), (1333, 1780)]