209790400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 168

約数和(自身を含む): 556849280

約数和(自身を除く): 347058880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 67, 76, 80, 95, 100, 103, 134, 152, 160, 190, 200, 206, 268, 304, 320, 335, 380, 400, 412, 475, 515, 536, 608, 670, 760, 800, 824, 950, 1030, 1072, 1216, 1273, 1340, 1520, 1600, 1648, 1675, 1900, 1957, 2060, 2144, 2546, 2575, 2680, 3040, 3296, 3350, 3800, 3914, 4120, 4288, 5092, 5150, 5360, 6080, 6365, 6592, 6700, 6901, 7600, 7828, 8240, 9785, 10184, 10300, 10720, 12730, 13400, 13802, 15200, 15656, 16480, 19570, 20368, 20600, 21440, 25460, 26800, 27604, 30400, 31312, 31825, 32960, 34505, 39140, 40736, 41200, 48925, 50920, 53600, 55208, 62624, 63650, 69010, 78280, 81472, 82400, 97850, 101840, 107200, 110416, 125248, 127300, 131119, 138020, 156560, 164800, 172525, 195700, 203680, 220832, 254600, 262238, 276040, 313120, 345050, 391400, 407360, 441664, 509200, 524476, 552080, 626240, 655595, 690100, 782800, 1018400, 1048952, 1104160, 1311190, 1380200, 1565600, 2036800, 2097904, 2208320, 2622380, 2760400, 3131200, 3277975, 4195808, 5244760, 5520800, 6555950, 8391616, 10489520, 11041600, 13111900, 20979040, 26223800, 41958080, 52447600, 104895200, 209790400]

約数ペア:

[(1, 209790400), (2, 104895200), (4, 52447600), (5, 41958080), (8, 26223800), (10, 20979040), (16, 13111900), (19, 11041600), (20, 10489520), (25, 8391616), (32, 6555950), (38, 5520800), (40, 5244760), (50, 4195808), (64, 3277975), (67, 3131200), (76, 2760400), (80, 2622380), (95, 2208320), (100, 2097904), (103, 2036800), (134, 1565600), (152, 1380200), (160, 1311190), (190, 1104160), (200, 1048952), (206, 1018400), (268, 782800), (304, 690100), (320, 655595), (335, 626240), (380, 552080), (400, 524476), (412, 509200), (475, 441664), (515, 407360), (536, 391400), (608, 345050), (670, 313120), (760, 276040), (800, 262238), (824, 254600), (950, 220832), (1030, 203680), (1072, 195700), (1216, 172525), (1273, 164800), (1340, 156560), (1520, 138020), (1600, 131119), (1648, 127300), (1675, 125248), (1900, 110416), (1957, 107200), (2060, 101840), (2144, 97850), (2546, 82400), (2575, 81472), (2680, 78280), (3040, 69010), (3296, 63650), (3350, 62624), (3800, 55208), (3914, 53600), (4120, 50920), (4288, 48925), (5092, 41200), (5150, 40736), (5360, 39140), (6080, 34505), (6365, 32960), (6592, 31825), (6700, 31312), (6901, 30400), (7600, 27604), (7828, 26800), (8240, 25460), (9785, 21440), (10184, 20600), (10300, 20368), (10720, 19570), (12730, 16480), (13400, 15656), (13802, 15200)]