855550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 24

約数和(自身を含む): 1620432

約数和(自身を除く): 764882

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 241, 355, 482, 710, 1205, 1775, 2410, 3550, 6025, 12050, 17111, 34222, 85555, 171110, 427775, 855550]

約数ペア:

[(1, 855550), (2, 427775), (5, 171110), (10, 85555), (25, 34222), (50, 17111), (71, 12050), (142, 6025), (241, 3550), (355, 2410), (482, 1775), (710, 1205)]