38081960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 98478720

約数和(自身を除く): 60396760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 491, 554, 982, 1108, 1385, 1939, 1964, 2216, 2455, 2770, 3437, 3878, 3928, 4910, 5540, 6874, 7756, 9695, 9820, 11080, 13748, 15512, 17185, 19390, 19640, 27496, 34370, 38780, 68740, 77560, 136007, 137480, 272014, 544028, 680035, 952049, 1088056, 1360070, 1904098, 2720140, 3808196, 4760245, 5440280, 7616392, 9520490, 19040980, 38081960]

約数ペア:

[(1, 38081960), (2, 19040980), (4, 9520490), (5, 7616392), (7, 5440280), (8, 4760245), (10, 3808196), (14, 2720140), (20, 1904098), (28, 1360070), (35, 1088056), (40, 952049), (56, 680035), (70, 544028), (140, 272014), (277, 137480), (280, 136007), (491, 77560), (554, 68740), (982, 38780), (1108, 34370), (1385, 27496), (1939, 19640), (1964, 19390), (2216, 17185), (2455, 15512), (2770, 13748), (3437, 11080), (3878, 9820), (3928, 9695), (4910, 7756), (5540, 6874)]