258981380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{80429}}^1$

素因数の和:80468

約数の個数: 48

約数和(自身を含む): 648587520

約数和(自身を除く): 389606140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 80429, 160858, 321716, 402145, 563003, 804290, 1126006, 1608580, 1849867, 2252012, 2815015, 3699734, 5630030, 7399468, 9249335, 11260060, 12949069, 18498670, 25898138, 36997340, 51796276, 64745345, 129490690, 258981380]

約数ペア:

[(1, 258981380), (2, 129490690), (4, 64745345), (5, 51796276), (7, 36997340), (10, 25898138), (14, 18498670), (20, 12949069), (23, 11260060), (28, 9249335), (35, 7399468), (46, 5630030), (70, 3699734), (92, 2815015), (115, 2252012), (140, 1849867), (161, 1608580), (230, 1126006), (322, 804290), (460, 563003), (644, 402145), (805, 321716), (1610, 160858), (3220, 80429)]