2590840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 7027200

約数和(自身を除く): 4436360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 487, 532, 665, 760, 974, 1064, 1330, 1948, 2435, 2660, 3409, 3896, 4870, 5320, 6818, 9253, 9740, 13636, 17045, 18506, 19480, 27272, 34090, 37012, 46265, 64771, 68180, 74024, 92530, 129542, 136360, 185060, 259084, 323855, 370120, 518168, 647710, 1295420, 2590840]

約数ペア:

[(1, 2590840), (2, 1295420), (4, 647710), (5, 518168), (7, 370120), (8, 323855), (10, 259084), (14, 185060), (19, 136360), (20, 129542), (28, 92530), (35, 74024), (38, 68180), (40, 64771), (56, 46265), (70, 37012), (76, 34090), (95, 27272), (133, 19480), (140, 18506), (152, 17045), (190, 13636), (266, 9740), (280, 9253), (380, 6818), (487, 5320), (532, 4870), (665, 3896), (760, 3409), (974, 2660), (1064, 2435), (1330, 1948)]