6690800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 16490760

約数和(自身を除く): 9799960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 389, 400, 430, 688, 778, 860, 1075, 1556, 1720, 1945, 2150, 3112, 3440, 3890, 4300, 6224, 7780, 8600, 9725, 15560, 16727, 17200, 19450, 31120, 33454, 38900, 66908, 77800, 83635, 133816, 155600, 167270, 267632, 334540, 418175, 669080, 836350, 1338160, 1672700, 3345400, 6690800]

約数ペア:

[(1, 6690800), (2, 3345400), (4, 1672700), (5, 1338160), (8, 836350), (10, 669080), (16, 418175), (20, 334540), (25, 267632), (40, 167270), (43, 155600), (50, 133816), (80, 83635), (86, 77800), (100, 66908), (172, 38900), (200, 33454), (215, 31120), (344, 19450), (389, 17200), (400, 16727), (430, 15560), (688, 9725), (778, 8600), (860, 7780), (1075, 6224), (1556, 4300), (1720, 3890), (1945, 3440), (2150, 3112)]