127721800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 329526900

約数和(自身を除く): 201805100

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 61, 76, 95, 100, 116, 122, 145, 152, 190, 200, 232, 244, 290, 305, 361, 380, 475, 488, 551, 580, 610, 722, 725, 760, 950, 1102, 1159, 1160, 1220, 1444, 1450, 1525, 1769, 1805, 1900, 2204, 2318, 2440, 2755, 2888, 2900, 3050, 3538, 3610, 3800, 4408, 4636, 5510, 5795, 5800, 6100, 7076, 7220, 8845, 9025, 9272, 10469, 11020, 11590, 12200, 13775, 14152, 14440, 17690, 18050, 20938, 22021, 22040, 23180, 27550, 28975, 33611, 35380, 36100, 41876, 44042, 44225, 46360, 52345, 55100, 57950, 67222, 70760, 72200, 83752, 88084, 88450, 104690, 110105, 110200, 115900, 134444, 168055, 176168, 176900, 209380, 220210, 231800, 261725, 268888, 336110, 353800, 418760, 440420, 523450, 550525, 638609, 672220, 840275, 880840, 1046900, 1101050, 1277218, 1344440, 1680550, 2093800, 2202100, 2554436, 3193045, 3361100, 4404200, 5108872, 6386090, 6722200, 12772180, 15965225, 25544360, 31930450, 63860900, 127721800]

約数ペア:

[(1, 127721800), (2, 63860900), (4, 31930450), (5, 25544360), (8, 15965225), (10, 12772180), (19, 6722200), (20, 6386090), (25, 5108872), (29, 4404200), (38, 3361100), (40, 3193045), (50, 2554436), (58, 2202100), (61, 2093800), (76, 1680550), (95, 1344440), (100, 1277218), (116, 1101050), (122, 1046900), (145, 880840), (152, 840275), (190, 672220), (200, 638609), (232, 550525), (244, 523450), (290, 440420), (305, 418760), (361, 353800), (380, 336110), (475, 268888), (488, 261725), (551, 231800), (580, 220210), (610, 209380), (722, 176900), (725, 176168), (760, 168055), (950, 134444), (1102, 115900), (1159, 110200), (1160, 110105), (1220, 104690), (1444, 88450), (1450, 88084), (1525, 83752), (1769, 72200), (1805, 70760), (1900, 67222), (2204, 57950), (2318, 55100), (2440, 52345), (2755, 46360), (2888, 44225), (2900, 44042), (3050, 41876), (3538, 36100), (3610, 35380), (3800, 33611), (4408, 28975), (4636, 27550), (5510, 23180), (5795, 22040), (5800, 22021), (6100, 20938), (7076, 18050), (7220, 17690), (8845, 14440), (9025, 14152), (9272, 13775), (10469, 12200), (11020, 11590)]