108390520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{387109}}^1$

素因数の和:387127

約数の個数: 32

約数和(自身を含む): 278719200

約数和(自身を除く): 170328680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 387109, 774218, 1548436, 1935545, 2709763, 3096872, 3871090, 5419526, 7742180, 10839052, 13548815, 15484360, 21678104, 27097630, 54195260, 108390520]

約数ペア:

[(1, 108390520), (2, 54195260), (4, 27097630), (5, 21678104), (7, 15484360), (8, 13548815), (10, 10839052), (14, 7742180), (20, 5419526), (28, 3871090), (35, 3096872), (40, 2709763), (56, 1935545), (70, 1548436), (140, 774218), (280, 387109)]