223332820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{68507}}^1$

素因数の和:68679

約数の個数: 24

約数和(自身を含む): 471883104

約数和(自身を除く): 248550284

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 68507, 137014, 274028, 342535, 685070, 1370140, 11166641, 22333282, 44666564, 55833205, 111666410, 223332820]

約数ペア:

[(1, 223332820), (2, 111666410), (4, 55833205), (5, 44666564), (10, 22333282), (20, 11166641), (163, 1370140), (326, 685070), (652, 342535), (815, 274028), (1630, 137014), (3260, 68507)]