139233080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{497261}}^1$

素因数の和:497279

約数の個数: 32

約数和(自身を含む): 358028640

約数和(自身を除く): 218795560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 497261, 994522, 1989044, 2486305, 3480827, 3978088, 4972610, 6961654, 9945220, 13923308, 17404135, 19890440, 27846616, 34808270, 69616540, 139233080]

約数ペア:

[(1, 139233080), (2, 69616540), (4, 34808270), (5, 27846616), (7, 19890440), (8, 17404135), (10, 13923308), (14, 9945220), (20, 6961654), (28, 4972610), (35, 3978088), (40, 3480827), (56, 2486305), (70, 1989044), (140, 994522), (280, 497261)]