202870500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{139}}^2$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 680045184

約数和(自身を除く): 477174684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 139, 140, 150, 175, 210, 250, 278, 300, 350, 375, 417, 420, 500, 525, 556, 695, 700, 750, 834, 875, 973, 1050, 1390, 1500, 1668, 1750, 1946, 2085, 2100, 2625, 2780, 2919, 3475, 3500, 3892, 4170, 4865, 5250, 5838, 6950, 8340, 9730, 10425, 10500, 11676, 13900, 14595, 17375, 19321, 19460, 20850, 24325, 29190, 34750, 38642, 41700, 48650, 52125, 57963, 58380, 69500, 72975, 77284, 96605, 97300, 104250, 115926, 121625, 135247, 145950, 193210, 208500, 231852, 243250, 270494, 289815, 291900, 364875, 386420, 405741, 483025, 486500, 540988, 579630, 676235, 729750, 811482, 966050, 1159260, 1352470, 1449075, 1459500, 1622964, 1932100, 2028705, 2415125, 2704940, 2898150, 3381175, 4057410, 4830250, 5796300, 6762350, 7245375, 8114820, 9660500, 10143525, 13524700, 14490750, 16905875, 20287050, 28981500, 33811750, 40574100, 50717625, 67623500, 101435250, 202870500]

約数ペア:

[(1, 202870500), (2, 101435250), (3, 67623500), (4, 50717625), (5, 40574100), (6, 33811750), (7, 28981500), (10, 20287050), (12, 16905875), (14, 14490750), (15, 13524700), (20, 10143525), (21, 9660500), (25, 8114820), (28, 7245375), (30, 6762350), (35, 5796300), (42, 4830250), (50, 4057410), (60, 3381175), (70, 2898150), (75, 2704940), (84, 2415125), (100, 2028705), (105, 1932100), (125, 1622964), (139, 1459500), (140, 1449075), (150, 1352470), (175, 1159260), (210, 966050), (250, 811482), (278, 729750), (300, 676235), (350, 579630), (375, 540988), (417, 486500), (420, 483025), (500, 405741), (525, 386420), (556, 364875), (695, 291900), (700, 289815), (750, 270494), (834, 243250), (875, 231852), (973, 208500), (1050, 193210), (1390, 145950), (1500, 135247), (1668, 121625), (1750, 115926), (1946, 104250), (2085, 97300), (2100, 96605), (2625, 77284), (2780, 72975), (2919, 69500), (3475, 58380), (3500, 57963), (3892, 52125), (4170, 48650), (4865, 41700), (5250, 38642), (5838, 34750), (6950, 29190), (8340, 24325), (9730, 20850), (10425, 19460), (10500, 19321), (11676, 17375), (13900, 14595)]