77487200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 219923424

約数和(自身を除く): 142436224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 101, 112, 137, 140, 160, 175, 200, 202, 224, 274, 280, 350, 400, 404, 505, 548, 560, 685, 700, 707, 800, 808, 959, 1010, 1096, 1120, 1370, 1400, 1414, 1616, 1918, 2020, 2192, 2525, 2740, 2800, 2828, 3232, 3425, 3535, 3836, 4040, 4384, 4795, 5050, 5480, 5600, 5656, 6850, 7070, 7672, 8080, 9590, 10100, 10960, 11312, 13700, 13837, 14140, 15344, 16160, 17675, 19180, 20200, 21920, 22624, 23975, 27400, 27674, 28280, 30688, 35350, 38360, 40400, 47950, 54800, 55348, 56560, 69185, 70700, 76720, 80800, 95900, 96859, 109600, 110696, 113120, 138370, 141400, 153440, 191800, 193718, 221392, 276740, 282800, 345925, 383600, 387436, 442784, 484295, 553480, 565600, 691850, 767200, 774872, 968590, 1106960, 1383700, 1549744, 1937180, 2213920, 2421475, 2767400, 3099488, 3874360, 4842950, 5534800, 7748720, 9685900, 11069600, 15497440, 19371800, 38743600, 77487200]

約数ペア:

[(1, 77487200), (2, 38743600), (4, 19371800), (5, 15497440), (7, 11069600), (8, 9685900), (10, 7748720), (14, 5534800), (16, 4842950), (20, 3874360), (25, 3099488), (28, 2767400), (32, 2421475), (35, 2213920), (40, 1937180), (50, 1549744), (56, 1383700), (70, 1106960), (80, 968590), (100, 774872), (101, 767200), (112, 691850), (137, 565600), (140, 553480), (160, 484295), (175, 442784), (200, 387436), (202, 383600), (224, 345925), (274, 282800), (280, 276740), (350, 221392), (400, 193718), (404, 191800), (505, 153440), (548, 141400), (560, 138370), (685, 113120), (700, 110696), (707, 109600), (800, 96859), (808, 95900), (959, 80800), (1010, 76720), (1096, 70700), (1120, 69185), (1370, 56560), (1400, 55348), (1414, 54800), (1616, 47950), (1918, 40400), (2020, 38360), (2192, 35350), (2525, 30688), (2740, 28280), (2800, 27674), (2828, 27400), (3232, 23975), (3425, 22624), (3535, 21920), (3836, 20200), (4040, 19180), (4384, 17675), (4795, 16160), (5050, 15344), (5480, 14140), (5600, 13837), (5656, 13700), (6850, 11312), (7070, 10960), (7672, 10100), (8080, 9590)]