205087186490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1\times {\mathrm{166861}}^1$

素因数の和:168338

約数の個数: 32

約数和(自身を含む): 373577320080

約数和(自身を除く): 168490133590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1381, 2762, 6905, 13810, 122909, 166861, 245818, 333722, 614545, 834305, 1229090, 1668610, 14850629, 29701258, 74253145, 148506290, 230435041, 460870082, 1152175205, 2304350410, 20508718649, 41017437298, 102543593245, 205087186490]

約数ペア:

[(1, 205087186490), (2, 102543593245), (5, 41017437298), (10, 20508718649), (89, 2304350410), (178, 1152175205), (445, 460870082), (890, 230435041), (1381, 148506290), (2762, 74253145), (6905, 29701258), (13810, 14850629), (122909, 1668610), (166861, 1229090), (245818, 834305), (333722, 614545)]