254423120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6868

約数の個数: 80

約数和(自身を含む): 686229888

約数和(自身を除く): 431806768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2345, 2680, 3752, 4690, 5360, 6781, 7504, 9380, 13562, 18760, 27124, 33905, 37520, 47467, 54248, 67810, 94934, 108496, 135620, 189868, 237335, 271240, 379736, 454327, 474670, 542480, 759472, 908654, 949340, 1817308, 1898680, 2271635, 3180289, 3634616, 3797360, 4543270, 6360578, 7269232, 9086540, 12721156, 15901445, 18173080, 25442312, 31802890, 36346160, 50884624, 63605780, 127211560, 254423120]

約数ペア:

[(1, 254423120), (2, 127211560), (4, 63605780), (5, 50884624), (7, 36346160), (8, 31802890), (10, 25442312), (14, 18173080), (16, 15901445), (20, 12721156), (28, 9086540), (35, 7269232), (40, 6360578), (56, 4543270), (67, 3797360), (70, 3634616), (80, 3180289), (112, 2271635), (134, 1898680), (140, 1817308), (268, 949340), (280, 908654), (335, 759472), (469, 542480), (536, 474670), (560, 454327), (670, 379736), (938, 271240), (1072, 237335), (1340, 189868), (1876, 135620), (2345, 108496), (2680, 94934), (3752, 67810), (4690, 54248), (5360, 47467), (6781, 37520), (7504, 33905), (9380, 27124), (13562, 18760)]