280670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 580608

約数和(自身を除く): 299938

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 127, 130, 170, 221, 254, 442, 635, 1105, 1270, 1651, 2159, 2210, 3302, 4318, 8255, 10795, 16510, 21590, 28067, 56134, 140335, 280670]

約数ペア:

[(1, 280670), (2, 140335), (5, 56134), (10, 28067), (13, 21590), (17, 16510), (26, 10795), (34, 8255), (65, 4318), (85, 3302), (127, 2210), (130, 2159), (170, 1651), (221, 1270), (254, 1105), (442, 635)]