77728630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2797}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 160358976

約数和(自身を除く): 82630346

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 2797, 3970, 5558, 5594, 13895, 13985, 19579, 27790, 27970, 39158, 97895, 195790, 1110409, 2220818, 5552045, 7772863, 11104090, 15545726, 38864315, 77728630]

約数ペア:

[(1, 77728630), (2, 38864315), (5, 15545726), (7, 11104090), (10, 7772863), (14, 5552045), (35, 2220818), (70, 1110409), (397, 195790), (794, 97895), (1985, 39158), (2779, 27970), (2797, 27790), (3970, 19579), (5558, 13985), (5594, 13895)]