117288920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{418889}}^1$

素因数の和:418907

約数の個数: 32

約数和(自身を含む): 301600800

約数和(自身を除く): 184311880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 418889, 837778, 1675556, 2094445, 2932223, 3351112, 4188890, 5864446, 8377780, 11728892, 14661115, 16755560, 23457784, 29322230, 58644460, 117288920]

約数ペア:

[(1, 117288920), (2, 58644460), (4, 29322230), (5, 23457784), (7, 16755560), (8, 14661115), (10, 11728892), (14, 8377780), (20, 5864446), (28, 4188890), (35, 3351112), (40, 2932223), (56, 2094445), (70, 1675556), (140, 837778), (280, 418889)]