201077780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324319}}^1$

素因数の和:324359

約数の個数: 24

約数和(自身を含む): 435886080

約数和(自身を除く): 234808300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324319, 648638, 1297276, 1621595, 3243190, 6486380, 10053889, 20107778, 40215556, 50269445, 100538890, 201077780]

約数ペア:

[(1, 201077780), (2, 100538890), (4, 50269445), (5, 40215556), (10, 20107778), (20, 10053889), (31, 6486380), (62, 3243190), (124, 1621595), (155, 1297276), (310, 648638), (620, 324319)]