7670020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 9264380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 139, 155, 178, 278, 310, 356, 445, 556, 620, 695, 890, 1390, 1780, 2759, 2780, 4309, 5518, 8618, 11036, 12371, 13795, 17236, 21545, 24742, 27590, 43090, 49484, 55180, 61855, 86180, 123710, 247420, 383501, 767002, 1534004, 1917505, 3835010, 7670020]

約数ペア:

[(1, 7670020), (2, 3835010), (4, 1917505), (5, 1534004), (10, 767002), (20, 383501), (31, 247420), (62, 123710), (89, 86180), (124, 61855), (139, 55180), (155, 49484), (178, 43090), (278, 27590), (310, 24742), (356, 21545), (445, 17236), (556, 13795), (620, 12371), (695, 11036), (890, 8618), (1390, 5518), (1780, 4309), (2759, 2780)]