86941960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310507}}^1$

素因数の和:310525

約数の個数: 32

約数和(自身を含む): 223565760

約数和(自身を除く): 136623800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310507, 621014, 1242028, 1552535, 2173549, 2484056, 3105070, 4347098, 6210140, 8694196, 10867745, 12420280, 17388392, 21735490, 43470980, 86941960]

約数ペア:

[(1, 86941960), (2, 43470980), (4, 21735490), (5, 17388392), (7, 12420280), (8, 10867745), (10, 8694196), (14, 6210140), (20, 4347098), (28, 3105070), (35, 2484056), (40, 2173549), (56, 1552535), (70, 1242028), (140, 621014), (280, 310507)]