189203440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{55001}}^1$

素因数の和:55057

約数の個数: 40

約数和(自身を含む): 450136368

約数和(自身を除く): 260932928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 55001, 110002, 220004, 275005, 440008, 550010, 880016, 1100020, 2200040, 2365043, 4400080, 4730086, 9460172, 11825215, 18920344, 23650430, 37840688, 47300860, 94601720, 189203440]

約数ペア:

[(1, 189203440), (2, 94601720), (4, 47300860), (5, 37840688), (8, 23650430), (10, 18920344), (16, 11825215), (20, 9460172), (40, 4730086), (43, 4400080), (80, 2365043), (86, 2200040), (172, 1100020), (215, 880016), (344, 550010), (430, 440008), (688, 275005), (860, 220004), (1720, 110002), (3440, 55001)]