257438230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{99397}}^1$

素因数の和:99448

約数の個数: 32

約数和(自身を含む): 543905856

約数和(自身を除く): 286467626

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 99397, 198794, 496985, 695779, 993970, 1391558, 3478895, 3677689, 6957790, 7355378, 18388445, 25743823, 36776890, 51487646, 128719115, 257438230]

約数ペア:

[(1, 257438230), (2, 128719115), (5, 51487646), (7, 36776890), (10, 25743823), (14, 18388445), (35, 7355378), (37, 6957790), (70, 3677689), (74, 3478895), (185, 1391558), (259, 993970), (370, 695779), (518, 496985), (1295, 198794), (2590, 99397)]