2531450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 4750812

約数和(自身を除く): 2219362

約数列:

[1, 2, 5, 10, 25, 50, 197, 257, 394, 514, 985, 1285, 1970, 2570, 4925, 6425, 9850, 12850, 50629, 101258, 253145, 506290, 1265725, 2531450]

約数ペア:

[(1, 2531450), (2, 1265725), (5, 506290), (10, 253145), (25, 101258), (50, 50629), (197, 12850), (257, 9850), (394, 6425), (514, 4925), (985, 2570), (1285, 1970)]