289448180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{8237}}^1$

素因数の和:8504

約数の個数: 48

約数和(自身を含む): 697527936

約数和(自身を除く): 408079756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8237, 8785, 16474, 17570, 32948, 35140, 41185, 57659, 82370, 115318, 164740, 230636, 288295, 576590, 1153180, 2067487, 4134974, 8269948, 10337435, 14472409, 20674870, 28944818, 41349740, 57889636, 72362045, 144724090, 289448180]

約数ペア:

[(1, 289448180), (2, 144724090), (4, 72362045), (5, 57889636), (7, 41349740), (10, 28944818), (14, 20674870), (20, 14472409), (28, 10337435), (35, 8269948), (70, 4134974), (140, 2067487), (251, 1153180), (502, 576590), (1004, 288295), (1255, 230636), (1757, 164740), (2510, 115318), (3514, 82370), (5020, 57659), (7028, 41185), (8237, 35140), (8785, 32948), (16474, 17570)]