1900542535

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 2356099200

約数和(自身を除く): 455556665

約数列:

[1, 5, 61, 173, 181, 199, 305, 865, 905, 995, 10553, 11041, 12139, 31313, 34427, 36019, 52765, 55205, 60695, 156565, 172135, 180095, 1910093, 2100047, 2197159, 6231287, 9550465, 10500235, 10985795, 31156435, 380108507, 1900542535]

約数ペア:

[(1, 1900542535), (5, 380108507), (61, 31156435), (173, 10985795), (181, 10500235), (199, 9550465), (305, 6231287), (865, 2197159), (905, 2100047), (995, 1910093), (10553, 180095), (11041, 172135), (12139, 156565), (31313, 60695), (34427, 55205), (36019, 52765)]