306670280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1095251}}^1$

素因数の和:1095269

約数の個数: 32

約数和(自身を含む): 788581440

約数和(自身を除く): 481911160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1095251, 2190502, 4381004, 5476255, 7666757, 8762008, 10952510, 15333514, 21905020, 30667028, 38333785, 43810040, 61334056, 76667570, 153335140, 306670280]

約数ペア:

[(1, 306670280), (2, 153335140), (4, 76667570), (5, 61334056), (7, 43810040), (8, 38333785), (10, 30667028), (14, 21905020), (20, 15333514), (28, 10952510), (35, 8762008), (40, 7666757), (56, 5476255), (70, 4381004), (140, 2190502), (280, 1095251)]