209570900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1650

約数の個数: 144

約数和(自身を含む): 600711552

約数和(自身を除く): 391140652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 700, 748, 770, 850, 935, 1100, 1190, 1309, 1540, 1601, 1700, 1870, 1925, 2380, 2618, 2975, 3202, 3740, 3850, 4675, 5236, 5950, 6404, 6545, 7700, 8005, 9350, 11207, 11900, 13090, 16010, 17611, 18700, 22414, 26180, 27217, 32020, 32725, 35222, 40025, 44828, 54434, 56035, 65450, 70444, 80050, 88055, 108868, 112070, 123277, 130900, 136085, 160100, 176110, 190519, 224140, 246554, 272170, 280175, 299387, 352220, 381038, 440275, 493108, 544340, 560350, 598774, 616385, 680425, 762076, 880550, 952595, 1120700, 1197548, 1232770, 1360850, 1496935, 1761100, 1905190, 2095709, 2465540, 2721700, 2993870, 3081925, 3810380, 4191418, 4762975, 5987740, 6163850, 7484675, 8382836, 9525950, 10478545, 12327700, 14969350, 19051900, 20957090, 29938700, 41914180, 52392725, 104785450, 209570900]

約数ペア:

[(1, 209570900), (2, 104785450), (4, 52392725), (5, 41914180), (7, 29938700), (10, 20957090), (11, 19051900), (14, 14969350), (17, 12327700), (20, 10478545), (22, 9525950), (25, 8382836), (28, 7484675), (34, 6163850), (35, 5987740), (44, 4762975), (50, 4191418), (55, 3810380), (68, 3081925), (70, 2993870), (77, 2721700), (85, 2465540), (100, 2095709), (110, 1905190), (119, 1761100), (140, 1496935), (154, 1360850), (170, 1232770), (175, 1197548), (187, 1120700), (220, 952595), (238, 880550), (275, 762076), (308, 680425), (340, 616385), (350, 598774), (374, 560350), (385, 544340), (425, 493108), (476, 440275), (550, 381038), (595, 352220), (700, 299387), (748, 280175), (770, 272170), (850, 246554), (935, 224140), (1100, 190519), (1190, 176110), (1309, 160100), (1540, 136085), (1601, 130900), (1700, 123277), (1870, 112070), (1925, 108868), (2380, 88055), (2618, 80050), (2975, 70444), (3202, 65450), (3740, 56035), (3850, 54434), (4675, 44828), (5236, 40025), (5950, 35222), (6404, 32725), (6545, 32020), (7700, 27217), (8005, 26180), (9350, 22414), (11207, 18700), (11900, 17611), (13090, 16010)]