3397480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 7707240

約数和(自身を除く): 4309760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 541, 628, 785, 1082, 1256, 1570, 2164, 2705, 3140, 4328, 5410, 6280, 10820, 21640, 84937, 169874, 339748, 424685, 679496, 849370, 1698740, 3397480]

約数ペア:

[(1, 3397480), (2, 1698740), (4, 849370), (5, 679496), (8, 424685), (10, 339748), (20, 169874), (40, 84937), (157, 21640), (314, 10820), (541, 6280), (628, 5410), (785, 4328), (1082, 3140), (1256, 2705), (1570, 2164)]