2009408975

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 2946478080

約数和(自身を除く): 937069105

約数列:

[1, 5, 7, 25, 35, 41, 103, 175, 205, 287, 515, 721, 1025, 1435, 2575, 2719, 3605, 4223, 7175, 13595, 18025, 19033, 21115, 29561, 67975, 95165, 105575, 111479, 147805, 280057, 475825, 557395, 739025, 780353, 1400285, 1960399, 2786975, 3901765, 7001425, 9801995, 11482337, 19508825, 49009975, 57411685, 80376359, 287058425, 401881795, 2009408975]

約数ペア:

[(1, 2009408975), (5, 401881795), (7, 287058425), (25, 80376359), (35, 57411685), (41, 49009975), (103, 19508825), (175, 11482337), (205, 9801995), (287, 7001425), (515, 3901765), (721, 2786975), (1025, 1960399), (1435, 1400285), (2575, 780353), (2719, 739025), (3605, 557395), (4223, 475825), (7175, 280057), (13595, 147805), (18025, 111479), (19033, 105575), (21115, 95165), (29561, 67975)]