188102800

素因数分解:

$2^4\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1556

約数の個数: 60

約数和(自身を含む): 453395956

約数和(自身を除く): 265293156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 421, 842, 1117, 1684, 2105, 2234, 3368, 4210, 4468, 5585, 6736, 8420, 8936, 10525, 11170, 16840, 17872, 21050, 22340, 27925, 33680, 42100, 44680, 55850, 84200, 89360, 111700, 168400, 223400, 446800, 470257, 940514, 1881028, 2351285, 3762056, 4702570, 7524112, 9405140, 11756425, 18810280, 23512850, 37620560, 47025700, 94051400, 188102800]

約数ペア:

[(1, 188102800), (2, 94051400), (4, 47025700), (5, 37620560), (8, 23512850), (10, 18810280), (16, 11756425), (20, 9405140), (25, 7524112), (40, 4702570), (50, 3762056), (80, 2351285), (100, 1881028), (200, 940514), (400, 470257), (421, 446800), (842, 223400), (1117, 168400), (1684, 111700), (2105, 89360), (2234, 84200), (3368, 55850), (4210, 44680), (4468, 42100), (5585, 33680), (6736, 27925), (8420, 22340), (8936, 21050), (10525, 17872), (11170, 16840)]