2170996940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2215303}}^1$

素因数の和:2215326

約数の個数: 36

約数和(自身を含む): 5303437776

約数和(自身を除く): 3132440836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2215303, 4430606, 8861212, 11076515, 15507121, 22153030, 31014242, 44306060, 62028484, 77535605, 108549847, 155071210, 217099694, 310142420, 434199388, 542749235, 1085498470, 2170996940]

約数ペア:

[(1, 2170996940), (2, 1085498470), (4, 542749235), (5, 434199388), (7, 310142420), (10, 217099694), (14, 155071210), (20, 108549847), (28, 77535605), (35, 62028484), (49, 44306060), (70, 31014242), (98, 22153030), (140, 15507121), (196, 11076515), (245, 8861212), (490, 4430606), (980, 2215303)]