240969904

素因数分解:

$2^4\times 7^1\times {\mathrm{2151517}}^1$

素因数の和:2151532

約数の個数: 20

約数和(自身を含む): 533576464

約数和(自身を除く): 292606560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2151517, 4303034, 8606068, 15060619, 17212136, 30121238, 34424272, 60242476, 120484952, 240969904]

約数ペア:

[(1, 240969904), (2, 120484952), (4, 60242476), (7, 34424272), (8, 30121238), (14, 17212136), (16, 15060619), (28, 8606068), (56, 4303034), (112, 2151517)]