208080730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{145511}}^1$

素因数の和:145542

約数の個数: 32

約数和(自身を含む): 440028288

約数和(自身を除く): 231947558

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 145511, 291022, 727555, 1455110, 1600621, 1891643, 3201242, 3783286, 8003105, 9458215, 16006210, 18916430, 20808073, 41616146, 104040365, 208080730]

約数ペア:

[(1, 208080730), (2, 104040365), (5, 41616146), (10, 20808073), (11, 18916430), (13, 16006210), (22, 9458215), (26, 8003105), (55, 3783286), (65, 3201242), (110, 1891643), (130, 1600621), (143, 1455110), (286, 727555), (715, 291022), (1430, 145511)]