207948500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{4673}}^1$

素因数の和:4781

約数の個数: 48

約数和(自身を含む): 459360720

約数和(自身を除く): 251412220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 890, 1780, 2225, 4450, 4673, 8900, 9346, 11125, 18692, 22250, 23365, 44500, 46730, 93460, 116825, 233650, 415897, 467300, 584125, 831794, 1168250, 1663588, 2079485, 2336500, 4158970, 8317940, 10397425, 20794850, 41589700, 51987125, 103974250, 207948500]

約数ペア:

[(1, 207948500), (2, 103974250), (4, 51987125), (5, 41589700), (10, 20794850), (20, 10397425), (25, 8317940), (50, 4158970), (89, 2336500), (100, 2079485), (125, 1663588), (178, 1168250), (250, 831794), (356, 584125), (445, 467300), (500, 415897), (890, 233650), (1780, 116825), (2225, 93460), (4450, 46730), (4673, 44500), (8900, 23365), (9346, 22250), (11125, 18692)]