16971640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1237}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 44568000

約数和(自身を除く): 27596360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1237, 1372, 1715, 1960, 2474, 2744, 3430, 4948, 6185, 6860, 8659, 9896, 12370, 13720, 17318, 24740, 34636, 43295, 49480, 60613, 69272, 86590, 121226, 173180, 242452, 303065, 346360, 424291, 484904, 606130, 848582, 1212260, 1697164, 2121455, 2424520, 3394328, 4242910, 8485820, 16971640]

約数ペア:

[(1, 16971640), (2, 8485820), (4, 4242910), (5, 3394328), (7, 2424520), (8, 2121455), (10, 1697164), (14, 1212260), (20, 848582), (28, 606130), (35, 484904), (40, 424291), (49, 346360), (56, 303065), (70, 242452), (98, 173180), (140, 121226), (196, 86590), (245, 69272), (280, 60613), (343, 49480), (392, 43295), (490, 34636), (686, 24740), (980, 17318), (1237, 13720), (1372, 12370), (1715, 9896), (1960, 8659), (2474, 6860), (2744, 6185), (3430, 4948)]