249590180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{4583}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 600687360

約数和(自身を除く): 351097180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 4583, 5446, 7780, 9166, 10892, 13615, 18332, 22915, 27230, 32081, 45830, 54460, 64162, 91660, 128324, 160405, 320810, 641620, 1782787, 3565574, 7131148, 8913935, 12479509, 17827870, 24959018, 35655740, 49918036, 62397545, 124795090, 249590180]

約数ペア:

[(1, 249590180), (2, 124795090), (4, 62397545), (5, 49918036), (7, 35655740), (10, 24959018), (14, 17827870), (20, 12479509), (28, 8913935), (35, 7131148), (70, 3565574), (140, 1782787), (389, 641620), (778, 320810), (1556, 160405), (1945, 128324), (2723, 91660), (3890, 64162), (4583, 54460), (5446, 45830), (7780, 32081), (9166, 27230), (10892, 22915), (13615, 18332)]