128800690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{2179}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 242974080

約数和(自身を除く): 114173390

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 257, 514, 1285, 2179, 2570, 4358, 5911, 10895, 11822, 21790, 29555, 50117, 59110, 100234, 250585, 501170, 560003, 1120006, 2800015, 5600030, 12880069, 25760138, 64400345, 128800690]

約数ペア:

[(1, 128800690), (2, 64400345), (5, 25760138), (10, 12880069), (23, 5600030), (46, 2800015), (115, 1120006), (230, 560003), (257, 501170), (514, 250585), (1285, 100234), (2179, 59110), (2570, 50117), (4358, 29555), (5911, 21790), (10895, 11822)]