123710200

素因数分解:

$2^3\times 5^2\times {\mathrm{439}}^1\times {\mathrm{1409}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 288486000

約数和(自身を除く): 164775800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 439, 878, 1409, 1756, 2195, 2818, 3512, 4390, 5636, 7045, 8780, 10975, 11272, 14090, 17560, 21950, 28180, 35225, 43900, 56360, 70450, 87800, 140900, 281800, 618551, 1237102, 2474204, 3092755, 4948408, 6185510, 12371020, 15463775, 24742040, 30927550, 61855100, 123710200]

約数ペア:

[(1, 123710200), (2, 61855100), (4, 30927550), (5, 24742040), (8, 15463775), (10, 12371020), (20, 6185510), (25, 4948408), (40, 3092755), (50, 2474204), (100, 1237102), (200, 618551), (439, 281800), (878, 140900), (1409, 87800), (1756, 70450), (2195, 56360), (2818, 43900), (3512, 35225), (4390, 28180), (5636, 21950), (7045, 17560), (8780, 14090), (10975, 11272)]