145217860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{315691}}^1$

素因数の和:315723

約数の個数: 24

約数和(自身を含む): 318217536

約数和(自身を除く): 172999676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 315691, 631382, 1262764, 1578455, 3156910, 6313820, 7260893, 14521786, 29043572, 36304465, 72608930, 145217860]

約数ペア:

[(1, 145217860), (2, 72608930), (4, 36304465), (5, 29043572), (10, 14521786), (20, 7260893), (23, 6313820), (46, 3156910), (92, 1578455), (115, 1262764), (230, 631382), (460, 315691)]