489445965540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{388449179}}^1$

素因数の和:388449201

約数の個数: 72

約数和(自身を含む): 1696746018240

約数和(自身を除く): 1207300052700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 388449179, 776898358, 1165347537, 1553796716, 1942245895, 2330695074, 2719144253, 3496042611, 3884491790, 4661390148, 5438288506, 5826737685, 6992085222, 7768983580, 8157432759, 10876577012, 11653475370, 13595721265, 13984170444, 16314865518, 17480213055, 23306950740, 24472298277, 27191442530, 32629731036, 34960426110, 40787163795, 48944596554, 54382885060, 69920852220, 81574327590, 97889193108, 122361491385, 163148655180, 244722982770, 489445965540]

約数ペア:

[(1, 489445965540), (2, 244722982770), (3, 163148655180), (4, 122361491385), (5, 97889193108), (6, 81574327590), (7, 69920852220), (9, 54382885060), (10, 48944596554), (12, 40787163795), (14, 34960426110), (15, 32629731036), (18, 27191442530), (20, 24472298277), (21, 23306950740), (28, 17480213055), (30, 16314865518), (35, 13984170444), (36, 13595721265), (42, 11653475370), (45, 10876577012), (60, 8157432759), (63, 7768983580), (70, 6992085222), (84, 5826737685), (90, 5438288506), (105, 4661390148), (126, 3884491790), (140, 3496042611), (180, 2719144253), (210, 2330695074), (252, 1942245895), (315, 1553796716), (420, 1165347537), (630, 776898358), (1260, 388449179)]