201890390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81737}}^1$

素因数の和:81776

約数の個数: 32

約数和(自身を含む): 411959520

約数和(自身を除く): 210069130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 81737, 163474, 408685, 817370, 1062581, 1553003, 2125162, 3106006, 5312905, 7765015, 10625810, 15530030, 20189039, 40378078, 100945195, 201890390]

約数ペア:

[(1, 201890390), (2, 100945195), (5, 40378078), (10, 20189039), (13, 15530030), (19, 10625810), (26, 7765015), (38, 5312905), (65, 3106006), (95, 2125162), (130, 1553003), (190, 1062581), (247, 817370), (494, 408685), (1235, 163474), (2470, 81737)]