940705280

素因数分解:

$2^9\times 5^1\times {\mathrm{419}}^1\times {\mathrm{877}}^1$

素因数の和:1319

約数の個数: 80

約数和(自身を含む): 2263448880

約数和(自身を除く): 1322743600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 419, 512, 640, 838, 877, 1280, 1676, 1754, 2095, 2560, 3352, 3508, 4190, 4385, 6704, 7016, 8380, 8770, 13408, 14032, 16760, 17540, 26816, 28064, 33520, 35080, 53632, 56128, 67040, 70160, 107264, 112256, 134080, 140320, 214528, 224512, 268160, 280640, 367463, 449024, 536320, 561280, 734926, 1072640, 1122560, 1469852, 1837315, 2245120, 2939704, 3674630, 5879408, 7349260, 11758816, 14698520, 23517632, 29397040, 47035264, 58794080, 94070528, 117588160, 188141056, 235176320, 470352640, 940705280]

約数ペア:

[(1, 940705280), (2, 470352640), (4, 235176320), (5, 188141056), (8, 117588160), (10, 94070528), (16, 58794080), (20, 47035264), (32, 29397040), (40, 23517632), (64, 14698520), (80, 11758816), (128, 7349260), (160, 5879408), (256, 3674630), (320, 2939704), (419, 2245120), (512, 1837315), (640, 1469852), (838, 1122560), (877, 1072640), (1280, 734926), (1676, 561280), (1754, 536320), (2095, 449024), (2560, 367463), (3352, 280640), (3508, 268160), (4190, 224512), (4385, 214528), (6704, 140320), (7016, 134080), (8380, 112256), (8770, 107264), (13408, 70160), (14032, 67040), (16760, 56128), (17540, 53632), (26816, 35080), (28064, 33520)]