30040220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{937}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 72488640

約数和(自身を除く): 42448420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 937, 1145, 1603, 1874, 2290, 3206, 3748, 4580, 4685, 6412, 6559, 8015, 9370, 13118, 16030, 18740, 26236, 32060, 32795, 65590, 131180, 214573, 429146, 858292, 1072865, 1502011, 2145730, 3004022, 4291460, 6008044, 7510055, 15020110, 30040220]

約数ペア:

[(1, 30040220), (2, 15020110), (4, 7510055), (5, 6008044), (7, 4291460), (10, 3004022), (14, 2145730), (20, 1502011), (28, 1072865), (35, 858292), (70, 429146), (140, 214573), (229, 131180), (458, 65590), (916, 32795), (937, 32060), (1145, 26236), (1603, 18740), (1874, 16030), (2290, 13118), (3206, 9370), (3748, 8015), (4580, 6559), (4685, 6412)]