1999704576800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8304421}}^1$

素因数の和:8304491

約数の個数: 144

約数和(自身を含む): 5708924730432

約数和(自身を除く): 3709220153632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 160, 172, 175, 200, 215, 224, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 800, 860, 1075, 1120, 1204, 1376, 1400, 1505, 1720, 2150, 2408, 2800, 3010, 3440, 4300, 4816, 5600, 6020, 6880, 7525, 8600, 9632, 12040, 15050, 17200, 24080, 30100, 34400, 48160, 60200, 120400, 240800, 8304421, 16608842, 33217684, 41522105, 58130947, 66435368, 83044210, 116261894, 132870736, 166088420, 207610525, 232523788, 265741472, 290654735, 332176840, 357090103, 415221050, 465047576, 581309470, 664353680, 714180206, 830442100, 930095152, 1162618940, 1328707360, 1428360412, 1453273675, 1660884200, 1785450515, 1860190304, 2325237880, 2499630721, 2856720824, 2906547350, 3321768400, 3570901030, 4650475760, 4999261442, 5713441648, 5813094700, 6643536800, 7141802060, 8927252575, 9300951520, 9998522884, 11426883296, 11626189400, 12498153605, 14283604120, 17854505150, 19997045768, 23252378800, 24996307210, 28567208240, 35709010300, 39994091536, 46504757600, 49992614420, 57134416480, 62490768025, 71418020600, 79988183072, 99985228840, 124981536050, 142836041200, 199970457680, 249963072100, 285672082400, 399940915360, 499926144200, 999852288400, 1999704576800]

約数ペア:

[(1, 1999704576800), (2, 999852288400), (4, 499926144200), (5, 399940915360), (7, 285672082400), (8, 249963072100), (10, 199970457680), (14, 142836041200), (16, 124981536050), (20, 99985228840), (25, 79988183072), (28, 71418020600), (32, 62490768025), (35, 57134416480), (40, 49992614420), (43, 46504757600), (50, 39994091536), (56, 35709010300), (70, 28567208240), (80, 24996307210), (86, 23252378800), (100, 19997045768), (112, 17854505150), (140, 14283604120), (160, 12498153605), (172, 11626189400), (175, 11426883296), (200, 9998522884), (215, 9300951520), (224, 8927252575), (280, 7141802060), (301, 6643536800), (344, 5813094700), (350, 5713441648), (400, 4999261442), (430, 4650475760), (560, 3570901030), (602, 3321768400), (688, 2906547350), (700, 2856720824), (800, 2499630721), (860, 2325237880), (1075, 1860190304), (1120, 1785450515), (1204, 1660884200), (1376, 1453273675), (1400, 1428360412), (1505, 1328707360), (1720, 1162618940), (2150, 930095152), (2408, 830442100), (2800, 714180206), (3010, 664353680), (3440, 581309470), (4300, 465047576), (4816, 415221050), (5600, 357090103), (6020, 332176840), (6880, 290654735), (7525, 265741472), (8600, 232523788), (9632, 207610525), (12040, 166088420), (15050, 132870736), (17200, 116261894), (24080, 83044210), (30100, 66435368), (34400, 58130947), (48160, 41522105), (60200, 33217684), (120400, 16608842), (240800, 8304421)]