218713490

素因数分解:

$2^1\times 5^1\times {\mathrm{4051}}^1\times {\mathrm{5399}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 393854400

約数和(自身を除く): 175140910

約数列:

[1, 2, 5, 10, 4051, 5399, 8102, 10798, 20255, 26995, 40510, 53990, 21871349, 43742698, 109356745, 218713490]

約数ペア:

[(1, 218713490), (2, 109356745), (5, 43742698), (10, 21871349), (4051, 53990), (5399, 40510), (8102, 26995), (10798, 20255)]