1085980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7757}}^1$

素因数の和:7773

約数の個数: 24

約数和(自身を含む): 2606688

約数和(自身を除く): 1520708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7757, 15514, 31028, 38785, 54299, 77570, 108598, 155140, 217196, 271495, 542990, 1085980]

約数ペア:

[(1, 1085980), (2, 542990), (4, 271495), (5, 217196), (7, 155140), (10, 108598), (14, 77570), (20, 54299), (28, 38785), (35, 31028), (70, 15514), (140, 7757)]