6442990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 12260160

約数和(自身を除く): 5817170

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 257, 514, 545, 1090, 1285, 2507, 2570, 5014, 5911, 11822, 12535, 25070, 28013, 29555, 56026, 59110, 140065, 280130, 644299, 1288598, 3221495, 6442990]

約数ペア:

[(1, 6442990), (2, 3221495), (5, 1288598), (10, 644299), (23, 280130), (46, 140065), (109, 59110), (115, 56026), (218, 29555), (230, 28013), (257, 25070), (514, 12535), (545, 11822), (1090, 5911), (1285, 5014), (2507, 2570)]