1098220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 2361744

約数和(自身を除く): 1263524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1277, 2554, 5108, 6385, 12770, 25540, 54911, 109822, 219644, 274555, 549110, 1098220]

約数ペア:

[(1, 1098220), (2, 549110), (4, 274555), (5, 219644), (10, 109822), (20, 54911), (43, 25540), (86, 12770), (172, 6385), (215, 5108), (430, 2554), (860, 1277)]