311085460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2222039}}^1$

素因数の和:2222055

約数の個数: 24

約数和(自身を含む): 746605440

約数和(自身を除く): 435519980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2222039, 4444078, 8888156, 11110195, 15554273, 22220390, 31108546, 44440780, 62217092, 77771365, 155542730, 311085460]

約数ペア:

[(1, 311085460), (2, 155542730), (4, 77771365), (5, 62217092), (7, 44440780), (10, 31108546), (14, 22220390), (20, 15554273), (28, 11110195), (35, 8888156), (70, 4444078), (140, 2222039)]