294960220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1741}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 637404768

約数和(自身を除く): 342444548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 197, 215, 394, 430, 788, 860, 985, 1741, 1970, 3482, 3940, 6964, 8471, 8705, 16942, 17410, 33884, 34820, 42355, 74863, 84710, 149726, 169420, 299452, 342977, 374315, 685954, 748630, 1371908, 1497260, 1714885, 3429770, 6859540, 14748011, 29496022, 58992044, 73740055, 147480110, 294960220]

約数ペア:

[(1, 294960220), (2, 147480110), (4, 73740055), (5, 58992044), (10, 29496022), (20, 14748011), (43, 6859540), (86, 3429770), (172, 1714885), (197, 1497260), (215, 1371908), (394, 748630), (430, 685954), (788, 374315), (860, 342977), (985, 299452), (1741, 169420), (1970, 149726), (3482, 84710), (3940, 74863), (6964, 42355), (8471, 34820), (8705, 33884), (16942, 17410)]