858254590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 1632571200

約数和(自身を除く): 774316610

約数列:

[1, 2, 5, 10, 37, 67, 74, 89, 134, 178, 185, 335, 370, 389, 445, 670, 778, 890, 1945, 2479, 3293, 3890, 4958, 5963, 6586, 11926, 12395, 14393, 16465, 24790, 26063, 28786, 29815, 32930, 34621, 52126, 59630, 69242, 71965, 130315, 143930, 173105, 220631, 260630, 346210, 441262, 964331, 1103155, 1280977, 1928662, 2206310, 2319607, 2561954, 4639214, 4821655, 6404885, 9643310, 11598035, 12809770, 23196070, 85825459, 171650918, 429127295, 858254590]

約数ペア:

[(1, 858254590), (2, 429127295), (5, 171650918), (10, 85825459), (37, 23196070), (67, 12809770), (74, 11598035), (89, 9643310), (134, 6404885), (178, 4821655), (185, 4639214), (335, 2561954), (370, 2319607), (389, 2206310), (445, 1928662), (670, 1280977), (778, 1103155), (890, 964331), (1945, 441262), (2479, 346210), (3293, 260630), (3890, 220631), (4958, 173105), (5963, 143930), (6586, 130315), (11926, 71965), (12395, 69242), (14393, 59630), (16465, 52126), (24790, 34621), (26063, 32930), (28786, 29815)]