208291430

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 379745280

約数和(自身を除く): 171453850

約数列:

[1, 2, 5, 10, 127, 254, 401, 409, 635, 802, 818, 1270, 2005, 2045, 4010, 4090, 50927, 51943, 101854, 103886, 164009, 254635, 259715, 328018, 509270, 519430, 820045, 1640090, 20829143, 41658286, 104145715, 208291430]

約数ペア:

[(1, 208291430), (2, 104145715), (5, 41658286), (10, 20829143), (127, 1640090), (254, 820045), (401, 519430), (409, 509270), (635, 328018), (802, 259715), (818, 254635), (1270, 164009), (2005, 103886), (2045, 101854), (4010, 51943), (4090, 50927)]