85686440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306023}}^1$

素因数の和:306041

約数の個数: 32

約数和(自身を含む): 220337280

約数和(自身を除く): 134650840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306023, 612046, 1224092, 1530115, 2142161, 2448184, 3060230, 4284322, 6120460, 8568644, 10710805, 12240920, 17137288, 21421610, 42843220, 85686440]

約数ペア:

[(1, 85686440), (2, 42843220), (4, 21421610), (5, 17137288), (7, 12240920), (8, 10710805), (10, 8568644), (14, 6120460), (20, 4284322), (28, 3060230), (35, 2448184), (40, 2142161), (56, 1530115), (70, 1224092), (140, 612046), (280, 306023)]