440272142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 738234000

約数和(自身を除く): 297961858

約数列:

[1, 2, 19, 29, 38, 58, 67, 89, 134, 178, 551, 1102, 1273, 1691, 1943, 2546, 2581, 3382, 3886, 4489, 5162, 5963, 8978, 11926, 36917, 49039, 73834, 85291, 98078, 113297, 130181, 170582, 172927, 226594, 260362, 345854, 399521, 799042, 2473439, 3285613, 4946878, 6571226, 7590899, 11586109, 15181798, 23172218, 220136071, 440272142]

約数ペア:

[(1, 440272142), (2, 220136071), (19, 23172218), (29, 15181798), (38, 11586109), (58, 7590899), (67, 6571226), (89, 4946878), (134, 3285613), (178, 2473439), (551, 799042), (1102, 399521), (1273, 345854), (1691, 260362), (1943, 226594), (2546, 172927), (2581, 170582), (3382, 130181), (3886, 113297), (4489, 98078), (5162, 85291), (5963, 73834), (8978, 49039), (11926, 36917)]