180340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 387072

約数和(自身を除く): 206732

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 1270, 1420, 2540, 9017, 18034, 36068, 45085, 90170, 180340]

約数ペア:

[(1, 180340), (2, 90170), (4, 45085), (5, 36068), (10, 18034), (20, 9017), (71, 2540), (127, 1420), (142, 1270), (254, 710), (284, 635), (355, 508)]