209402520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 654151680

約数和(自身を除く): 444749160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 181, 186, 248, 310, 311, 362, 372, 465, 543, 620, 622, 724, 744, 905, 930, 933, 1086, 1240, 1244, 1448, 1555, 1810, 1860, 1866, 2172, 2488, 2715, 3110, 3620, 3720, 3732, 4344, 4665, 5430, 5611, 6220, 7240, 7464, 9330, 9641, 10860, 11222, 12440, 16833, 18660, 19282, 21720, 22444, 28055, 28923, 33666, 37320, 38564, 44888, 48205, 56110, 56291, 57846, 67332, 77128, 84165, 96410, 112220, 112582, 115692, 134664, 144615, 168330, 168873, 192820, 224440, 225164, 231384, 281455, 289230, 336660, 337746, 385640, 450328, 562910, 578460, 673320, 675492, 844365, 1125820, 1156920, 1350984, 1688730, 1745021, 2251640, 3377460, 3490042, 5235063, 6754920, 6980084, 8725105, 10470126, 13960168, 17450210, 20940252, 26175315, 34900420, 41880504, 52350630, 69800840, 104701260, 209402520]

約数ペア:

[(1, 209402520), (2, 104701260), (3, 69800840), (4, 52350630), (5, 41880504), (6, 34900420), (8, 26175315), (10, 20940252), (12, 17450210), (15, 13960168), (20, 10470126), (24, 8725105), (30, 6980084), (31, 6754920), (40, 5235063), (60, 3490042), (62, 3377460), (93, 2251640), (120, 1745021), (124, 1688730), (155, 1350984), (181, 1156920), (186, 1125820), (248, 844365), (310, 675492), (311, 673320), (362, 578460), (372, 562910), (465, 450328), (543, 385640), (620, 337746), (622, 336660), (724, 289230), (744, 281455), (905, 231384), (930, 225164), (933, 224440), (1086, 192820), (1240, 168873), (1244, 168330), (1448, 144615), (1555, 134664), (1810, 115692), (1860, 112582), (1866, 112220), (2172, 96410), (2488, 84165), (2715, 77128), (3110, 67332), (3620, 57846), (3720, 56291), (3732, 56110), (4344, 48205), (4665, 44888), (5430, 38564), (5611, 37320), (6220, 33666), (7240, 28923), (7464, 28055), (9330, 22444), (9641, 21720), (10860, 19282), (11222, 18660), (12440, 16833)]