172840090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{131939}}^1$

素因数の和:132077

約数の個数: 16

約数和(自身を含む): 313489440

約数和(自身を除く): 140649350

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 131939, 263878, 659695, 1319390, 17284009, 34568018, 86420045, 172840090]

約数ペア:

[(1, 172840090), (2, 86420045), (5, 34568018), (10, 17284009), (131, 1319390), (262, 659695), (655, 263878), (1310, 131939)]