400233780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2223521}}^1$

素因数の和:2223536

約数の個数: 36

約数和(自身を含む): 1214043012

約数和(自身を除く): 813809232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2223521, 4447042, 6670563, 8894084, 11117605, 13341126, 20011689, 22235210, 26682252, 33352815, 40023378, 44470420, 66705630, 80046756, 100058445, 133411260, 200116890, 400233780]

約数ペア:

[(1, 400233780), (2, 200116890), (3, 133411260), (4, 100058445), (5, 80046756), (6, 66705630), (9, 44470420), (10, 40023378), (12, 33352815), (15, 26682252), (18, 22235210), (20, 20011689), (30, 13341126), (36, 11117605), (45, 8894084), (60, 6670563), (90, 4447042), (180, 2223521)]