1415990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 2708640

約数和(自身を除く): 1292650

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 89, 178, 185, 215, 370, 430, 445, 890, 1591, 3182, 3293, 3827, 6586, 7654, 7955, 15910, 16465, 19135, 32930, 38270, 141599, 283198, 707995, 1415990]

約数ペア:

[(1, 1415990), (2, 707995), (5, 283198), (10, 141599), (37, 38270), (43, 32930), (74, 19135), (86, 16465), (89, 15910), (178, 7955), (185, 7654), (215, 6586), (370, 3827), (430, 3293), (445, 3182), (890, 1591)]