91487480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326741}}^1$

素因数の和:326759

約数の個数: 32

約数和(自身を含む): 235254240

約数和(自身を除く): 143766760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326741, 653482, 1306964, 1633705, 2287187, 2613928, 3267410, 4574374, 6534820, 9148748, 11435935, 13069640, 18297496, 22871870, 45743740, 91487480]

約数ペア:

[(1, 91487480), (2, 45743740), (4, 22871870), (5, 18297496), (7, 13069640), (8, 11435935), (10, 9148748), (14, 6534820), (20, 4574374), (28, 3267410), (35, 2613928), (40, 2287187), (56, 1633705), (70, 1306964), (140, 653482), (280, 326741)]