218366380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{40289}}^1$

素因数の和:40569

約数の個数: 24

約数和(自身を含む): 460272960

約数和(自身を除く): 241906580

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 40289, 80578, 161156, 201445, 402890, 805780, 10918319, 21836638, 43673276, 54591595, 109183190, 218366380]

約数ペア:

[(1, 218366380), (2, 109183190), (4, 54591595), (5, 43673276), (10, 21836638), (20, 10918319), (271, 805780), (542, 402890), (1084, 201445), (1355, 161156), (2710, 80578), (5420, 40289)]