209888889670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{985903}}^1$

素因数の和:986320

約数の個数: 32

約数和(自身を含む): 385094102400

約数和(自身を除く): 175205212730

約数列:

[1, 2, 5, 10, 61, 122, 305, 349, 610, 698, 1745, 3490, 21289, 42578, 106445, 212890, 985903, 1971806, 4929515, 9859030, 60140083, 120280166, 300700415, 344080147, 601400830, 688160294, 1720400735, 3440801470, 20988888967, 41977777934, 104944444835, 209888889670]

約数ペア:

[(1, 209888889670), (2, 104944444835), (5, 41977777934), (10, 20988888967), (61, 3440801470), (122, 1720400735), (305, 688160294), (349, 601400830), (610, 344080147), (698, 300700415), (1745, 120280166), (3490, 60140083), (21289, 9859030), (42578, 4929515), (106445, 1971806), (212890, 985903)]