8485820

素因数分解:

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

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 20798400

約数和(自身を除く): 12312580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1237, 1372, 1715, 2474, 3430, 4948, 6185, 6860, 8659, 12370, 17318, 24740, 34636, 43295, 60613, 86590, 121226, 173180, 242452, 303065, 424291, 606130, 848582, 1212260, 1697164, 2121455, 4242910, 8485820]

約数ペア:

[(1, 8485820), (2, 4242910), (4, 2121455), (5, 1697164), (7, 1212260), (10, 848582), (14, 606130), (20, 424291), (28, 303065), (35, 242452), (49, 173180), (70, 121226), (98, 86590), (140, 60613), (196, 43295), (245, 34636), (343, 24740), (490, 17318), (686, 12370), (980, 8659), (1237, 6860), (1372, 6185), (1715, 4948), (2474, 3430)]