840480490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{158881}}^1$

素因数の和:158934

約数の個数: 24

約数和(自身を含む): 1581511428

約数和(自身を除く): 741030938

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 158881, 317762, 794405, 1588810, 3654263, 7308526, 18271315, 36542630, 84048049, 168096098, 420240245, 840480490]

約数ペア:

[(1, 840480490), (2, 420240245), (5, 168096098), (10, 84048049), (23, 36542630), (46, 18271315), (115, 7308526), (230, 3654263), (529, 1588810), (1058, 794405), (2645, 317762), (5290, 158881)]