315079430

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{122599}}^1$

素因数の和:122863

約数の個数: 16

約数和(自身を含む): 569354400

約数和(自身を除く): 254274970

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 122599, 245198, 612995, 1225990, 31507943, 63015886, 157539715, 315079430]

約数ペア:

[(1, 315079430), (2, 157539715), (5, 63015886), (10, 31507943), (257, 1225990), (514, 612995), (1285, 245198), (2570, 122599)]