77118440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275423}}^1$

素因数の和:275441

約数の個数: 32

約数和(自身を含む): 198305280

約数和(自身を除く): 121186840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275423, 550846, 1101692, 1377115, 1927961, 2203384, 2754230, 3855922, 5508460, 7711844, 9639805, 11016920, 15423688, 19279610, 38559220, 77118440]

約数ペア:

[(1, 77118440), (2, 38559220), (4, 19279610), (5, 15423688), (7, 11016920), (8, 9639805), (10, 7711844), (14, 5508460), (20, 3855922), (28, 2754230), (35, 2203384), (40, 1927961), (56, 1377115), (70, 1101692), (140, 550846), (280, 275423)]