68500100

素因数分解:

$2^2\times 5^2\times {\mathrm{685001}}^1$

素因数の和:685015

約数の個数: 18

約数和(自身を含む): 148645434

約数和(自身を除く): 80145334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 685001, 1370002, 2740004, 3425005, 6850010, 13700020, 17125025, 34250050, 68500100]

約数ペア:

[(1, 68500100), (2, 34250050), (4, 17125025), (5, 13700020), (10, 6850010), (20, 3425005), (25, 2740004), (50, 1370002), (100, 685001)]