268643090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{6701}}^1$

素因数の和:6938

約数の個数: 32

約数和(自身を含む): 511496640

約数和(自身を除く): 242853550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 6701, 8018, 13402, 20045, 33505, 40090, 67010, 127319, 254638, 636595, 1273190, 1413911, 2827822, 7069555, 14139110, 26864309, 53728618, 134321545, 268643090]

約数ペア:

[(1, 268643090), (2, 134321545), (5, 53728618), (10, 26864309), (19, 14139110), (38, 7069555), (95, 2827822), (190, 1413911), (211, 1273190), (422, 636595), (1055, 254638), (2110, 127319), (4009, 67010), (6701, 40090), (8018, 33505), (13402, 20045)]