69187820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 157193568

約数和(自身を除く): 88005748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 947, 1124, 1405, 1894, 2810, 3653, 3788, 4735, 5620, 7306, 9470, 12311, 14612, 18265, 18940, 24622, 36530, 49244, 61555, 73060, 123110, 246220, 266107, 532214, 1064428, 1330535, 2661070, 3459391, 5322140, 6918782, 13837564, 17296955, 34593910, 69187820]

約数ペア:

[(1, 69187820), (2, 34593910), (4, 17296955), (5, 13837564), (10, 6918782), (13, 5322140), (20, 3459391), (26, 2661070), (52, 1330535), (65, 1064428), (130, 532214), (260, 266107), (281, 246220), (562, 123110), (947, 73060), (1124, 61555), (1405, 49244), (1894, 36530), (2810, 24622), (3653, 18940), (3788, 18265), (4735, 14612), (5620, 12311), (7306, 9470)]