31098790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 57245760

約数和(自身を除く): 26146970

約数列:

[1, 2, 5, 10, 103, 109, 206, 218, 277, 515, 545, 554, 1030, 1090, 1385, 2770, 11227, 22454, 28531, 30193, 56135, 57062, 60386, 112270, 142655, 150965, 285310, 301930, 3109879, 6219758, 15549395, 31098790]

約数ペア:

[(1, 31098790), (2, 15549395), (5, 6219758), (10, 3109879), (103, 301930), (109, 285310), (206, 150965), (218, 142655), (277, 112270), (515, 60386), (545, 57062), (554, 56135), (1030, 30193), (1090, 28531), (1385, 22454), (2770, 11227)]