127512980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{910807}}^1$

素因数の和:910823

約数の個数: 24

約数和(自身を含む): 306031488

約数和(自身を除く): 178518508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 910807, 1821614, 3643228, 4554035, 6375649, 9108070, 12751298, 18216140, 25502596, 31878245, 63756490, 127512980]

約数ペア:

[(1, 127512980), (2, 63756490), (4, 31878245), (5, 25502596), (7, 18216140), (10, 12751298), (14, 9108070), (20, 6375649), (28, 4554035), (35, 3643228), (70, 1821614), (140, 910807)]