220178830

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{127271}}^1$

素因数の和:127451

約数の個数: 16

約数和(自身を含む): 398615904

約数和(自身を除く): 178437074

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 127271, 254542, 636355, 1272710, 22017883, 44035766, 110089415, 220178830]

約数ペア:

[(1, 220178830), (2, 110089415), (5, 44035766), (10, 22017883), (173, 1272710), (346, 636355), (865, 254542), (1730, 127271)]