313998430

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199999}}^1$

素因数の和:200163

約数の個数: 16

約数和(自身を含む): 568800000

約数和(自身を除く): 254801570

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 199999, 399998, 999995, 1999990, 31399843, 62799686, 156999215, 313998430]

約数ペア:

[(1, 313998430), (2, 156999215), (5, 62799686), (10, 31399843), (157, 1999990), (314, 999995), (785, 399998), (1570, 199999)]