208989850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{50359}}^1$

素因数の和:50454

約数の個数: 24

約数和(自身を含む): 393412320

約数和(自身を除く): 184422470

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 50359, 100718, 251795, 503590, 1258975, 2517950, 4179797, 8359594, 20898985, 41797970, 104494925, 208989850]

約数ペア:

[(1, 208989850), (2, 104494925), (5, 41797970), (10, 20898985), (25, 8359594), (50, 4179797), (83, 2517950), (166, 1258975), (415, 503590), (830, 251795), (2075, 100718), (4150, 50359)]