208527900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 696622080

約数和(自身を除く): 488094180

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, 109, 140, 150, 175, 210, 218, 300, 327, 350, 420, 436, 525, 545, 654, 700, 763, 911, 1050, 1090, 1308, 1526, 1635, 1822, 2100, 2180, 2289, 2725, 2733, 3052, 3270, 3644, 3815, 4555, 4578, 5450, 5466, 6377, 6540, 7630, 8175, 9110, 9156, 10900, 10932, 11445, 12754, 13665, 15260, 16350, 18220, 19075, 19131, 22775, 22890, 25508, 27330, 31885, 32700, 38150, 38262, 45550, 45780, 54660, 57225, 63770, 68325, 76300, 76524, 91100, 95655, 99299, 114450, 127540, 136650, 159425, 191310, 198598, 228900, 273300, 297897, 318850, 382620, 397196, 478275, 496495, 595794, 637700, 695093, 956550, 992990, 1191588, 1390186, 1489485, 1913100, 1985980, 2085279, 2482475, 2780372, 2978970, 3475465, 4170558, 4964950, 5957940, 6950930, 7447425, 8341116, 9929900, 10426395, 13901860, 14894850, 17377325, 20852790, 29789700, 34754650, 41705580, 52131975, 69509300, 104263950, 208527900]

約数ペア:

[(1, 208527900), (2, 104263950), (3, 69509300), (4, 52131975), (5, 41705580), (6, 34754650), (7, 29789700), (10, 20852790), (12, 17377325), (14, 14894850), (15, 13901860), (20, 10426395), (21, 9929900), (25, 8341116), (28, 7447425), (30, 6950930), (35, 5957940), (42, 4964950), (50, 4170558), (60, 3475465), (70, 2978970), (75, 2780372), (84, 2482475), (100, 2085279), (105, 1985980), (109, 1913100), (140, 1489485), (150, 1390186), (175, 1191588), (210, 992990), (218, 956550), (300, 695093), (327, 637700), (350, 595794), (420, 496495), (436, 478275), (525, 397196), (545, 382620), (654, 318850), (700, 297897), (763, 273300), (911, 228900), (1050, 198598), (1090, 191310), (1308, 159425), (1526, 136650), (1635, 127540), (1822, 114450), (2100, 99299), (2180, 95655), (2289, 91100), (2725, 76524), (2733, 76300), (3052, 68325), (3270, 63770), (3644, 57225), (3815, 54660), (4555, 45780), (4578, 45550), (5450, 38262), (5466, 38150), (6377, 32700), (6540, 31885), (7630, 27330), (8175, 25508), (9110, 22890), (9156, 22775), (10900, 19131), (10932, 19075), (11445, 18220), (12754, 16350), (13665, 15260)]