1280821994500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{829}}^1\times {\mathrm{28349}}^1$

素因数の和:29306

約数の個数: 96

約数和(自身を含む): 2826483660000

約数和(自身を除く): 1545661665500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 545, 829, 1090, 1658, 2180, 2725, 3316, 4145, 5450, 8290, 10900, 13625, 16580, 20725, 27250, 28349, 41450, 54500, 56698, 82900, 90361, 103625, 113396, 141745, 180722, 207250, 283490, 361444, 414500, 451805, 566980, 708725, 903610, 1417450, 1807220, 2259025, 2834900, 3090041, 3543625, 4518050, 6180082, 7087250, 9036100, 11295125, 12360164, 14174500, 15450205, 22590250, 23501321, 30900410, 45180500, 47002642, 61800820, 77251025, 94005284, 117506605, 154502050, 235013210, 309004100, 386255125, 470026420, 587533025, 772510250, 1175066050, 1545020500, 2350132100, 2561643989, 2937665125, 5123287978, 5875330250, 10246575956, 11750660500, 12808219945, 25616439890, 51232879780, 64041099725, 128082199450, 256164398900, 320205498625, 640410997250, 1280821994500]

約数ペア:

[(1, 1280821994500), (2, 640410997250), (4, 320205498625), (5, 256164398900), (10, 128082199450), (20, 64041099725), (25, 51232879780), (50, 25616439890), (100, 12808219945), (109, 11750660500), (125, 10246575956), (218, 5875330250), (250, 5123287978), (436, 2937665125), (500, 2561643989), (545, 2350132100), (829, 1545020500), (1090, 1175066050), (1658, 772510250), (2180, 587533025), (2725, 470026420), (3316, 386255125), (4145, 309004100), (5450, 235013210), (8290, 154502050), (10900, 117506605), (13625, 94005284), (16580, 77251025), (20725, 61800820), (27250, 47002642), (28349, 45180500), (41450, 30900410), (54500, 23501321), (56698, 22590250), (82900, 15450205), (90361, 14174500), (103625, 12360164), (113396, 11295125), (141745, 9036100), (180722, 7087250), (207250, 6180082), (283490, 4518050), (361444, 3543625), (414500, 3090041), (451805, 2834900), (566980, 2259025), (708725, 1807220), (903610, 1417450)]