287771340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{252431}}^1$

素因数の和:252462

約数の個数: 48

約数和(自身を含む): 848171520

約数和(自身を除く): 560400180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 252431, 504862, 757293, 1009724, 1262155, 1514586, 2524310, 3029172, 3786465, 4796189, 5048620, 7572930, 9592378, 14388567, 15145860, 19184756, 23980945, 28777134, 47961890, 57554268, 71942835, 95923780, 143885670, 287771340]

約数ペア:

[(1, 287771340), (2, 143885670), (3, 95923780), (4, 71942835), (5, 57554268), (6, 47961890), (10, 28777134), (12, 23980945), (15, 19184756), (19, 15145860), (20, 14388567), (30, 9592378), (38, 7572930), (57, 5048620), (60, 4796189), (76, 3786465), (95, 3029172), (114, 2524310), (190, 1514586), (228, 1262155), (285, 1009724), (380, 757293), (570, 504862), (1140, 252431)]