42984100

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1021}}^1$

素因数の和:1456

約数の個数: 36

約数和(自身を含む): 93588628

約数和(自身を除く): 50604528

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1021, 1684, 2042, 2105, 4084, 4210, 5105, 8420, 10210, 10525, 20420, 21050, 25525, 42100, 51050, 102100, 429841, 859682, 1719364, 2149205, 4298410, 8596820, 10746025, 21492050, 42984100]

約数ペア:

[(1, 42984100), (2, 21492050), (4, 10746025), (5, 8596820), (10, 4298410), (20, 2149205), (25, 1719364), (50, 859682), (100, 429841), (421, 102100), (842, 51050), (1021, 42100), (1684, 25525), (2042, 21050), (2105, 20420), (4084, 10525), (4210, 10210), (5105, 8420)]