78090470

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{45139}}^1$

素因数の和:45319

約数の個数: 16

約数和(自身を含む): 141378480

約数和(自身を除く): 63288010

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 45139, 90278, 225695, 451390, 7809047, 15618094, 39045235, 78090470]

約数ペア:

[(1, 78090470), (2, 39045235), (5, 15618094), (10, 7809047), (173, 451390), (346, 225695), (865, 90278), (1730, 45139)]