81144250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 174545280

約数和(自身を除く): 93401030

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 475, 550, 950, 1045, 1375, 1553, 2090, 2375, 2750, 3106, 4750, 5225, 7765, 10450, 15530, 17083, 26125, 29507, 34166, 38825, 52250, 59014, 77650, 85415, 147535, 170830, 194125, 295070, 324577, 388250, 427075, 649154, 737675, 854150, 1475350, 1622885, 2135375, 3245770, 3688375, 4270750, 7376750, 8114425, 16228850, 40572125, 81144250]

約数ペア:

[(1, 81144250), (2, 40572125), (5, 16228850), (10, 8114425), (11, 7376750), (19, 4270750), (22, 3688375), (25, 3245770), (38, 2135375), (50, 1622885), (55, 1475350), (95, 854150), (110, 737675), (125, 649154), (190, 427075), (209, 388250), (250, 324577), (275, 295070), (418, 194125), (475, 170830), (550, 147535), (950, 85415), (1045, 77650), (1375, 59014), (1553, 52250), (2090, 38825), (2375, 34166), (2750, 29507), (3106, 26125), (4750, 17083), (5225, 15530), (7765, 10450)]