210819220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{340031}}^1$

素因数の和:340071

約数の個数: 24

約数和(自身を含む): 457003008

約数和(自身を除く): 246183788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 340031, 680062, 1360124, 1700155, 3400310, 6800620, 10540961, 21081922, 42163844, 52704805, 105409610, 210819220]

約数ペア:

[(1, 210819220), (2, 105409610), (4, 52704805), (5, 42163844), (10, 21081922), (20, 10540961), (31, 6800620), (62, 3400310), (124, 1700155), (155, 1360124), (310, 680062), (620, 340031)]