87195020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 203509152

約数和(自身を除く): 116314132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 137, 220, 242, 263, 274, 484, 526, 548, 605, 685, 1052, 1210, 1315, 1370, 1507, 2420, 2630, 2740, 2893, 3014, 5260, 5786, 6028, 7535, 11572, 14465, 15070, 16577, 28930, 30140, 31823, 33154, 36031, 57860, 63646, 66308, 72062, 82885, 127292, 144124, 159115, 165770, 180155, 318230, 331540, 360310, 396341, 636460, 720620, 792682, 1585364, 1981705, 3963410, 4359751, 7926820, 8719502, 17439004, 21798755, 43597510, 87195020]

約数ペア:

[(1, 87195020), (2, 43597510), (4, 21798755), (5, 17439004), (10, 8719502), (11, 7926820), (20, 4359751), (22, 3963410), (44, 1981705), (55, 1585364), (110, 792682), (121, 720620), (137, 636460), (220, 396341), (242, 360310), (263, 331540), (274, 318230), (484, 180155), (526, 165770), (548, 159115), (605, 144124), (685, 127292), (1052, 82885), (1210, 72062), (1315, 66308), (1370, 63646), (1507, 57860), (2420, 36031), (2630, 33154), (2740, 31823), (2893, 30140), (3014, 28930), (5260, 16577), (5786, 15070), (6028, 14465), (7535, 11572)]