245437010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20747}}^1$

素因数の和:20787

約数の個数: 48

約数和(自身を含む): 546751296

約数和(自身を除く): 301314286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2366, 5915, 11830, 20747, 41494, 103735, 145229, 207470, 269711, 290458, 539422, 726145, 1348555, 1452290, 1887977, 2697110, 3506243, 3775954, 7012486, 9439885, 17531215, 18879770, 24543701, 35062430, 49087402, 122718505, 245437010]

約数ペア:

[(1, 245437010), (2, 122718505), (5, 49087402), (7, 35062430), (10, 24543701), (13, 18879770), (14, 17531215), (26, 9439885), (35, 7012486), (65, 3775954), (70, 3506243), (91, 2697110), (130, 1887977), (169, 1452290), (182, 1348555), (338, 726145), (455, 539422), (845, 290458), (910, 269711), (1183, 207470), (1690, 145229), (2366, 103735), (5915, 41494), (11830, 20747)]