15400100

素因数分解:

$2^2\times 5^2\times {\mathrm{154001}}^1$

素因数の和:154015

約数の個数: 18

約数和(自身を含む): 33418434

約数和(自身を除く): 18018334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 154001, 308002, 616004, 770005, 1540010, 3080020, 3850025, 7700050, 15400100]

約数ペア:

[(1, 15400100), (2, 7700050), (4, 3850025), (5, 3080020), (10, 1540010), (20, 770005), (25, 616004), (50, 308002), (100, 154001)]