54430040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 140616000

約数和(自身を除く): 86185960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 557, 698, 1114, 1396, 1745, 2228, 2443, 2785, 2792, 3490, 3899, 4456, 4886, 5570, 6980, 7798, 9772, 11140, 12215, 13960, 15596, 19495, 19544, 22280, 24430, 31192, 38990, 48860, 77980, 97720, 155960, 194393, 388786, 777572, 971965, 1360751, 1555144, 1943930, 2721502, 3887860, 5443004, 6803755, 7775720, 10886008, 13607510, 27215020, 54430040]

約数ペア:

[(1, 54430040), (2, 27215020), (4, 13607510), (5, 10886008), (7, 7775720), (8, 6803755), (10, 5443004), (14, 3887860), (20, 2721502), (28, 1943930), (35, 1555144), (40, 1360751), (56, 971965), (70, 777572), (140, 388786), (280, 194393), (349, 155960), (557, 97720), (698, 77980), (1114, 48860), (1396, 38990), (1745, 31192), (2228, 24430), (2443, 22280), (2785, 19544), (2792, 19495), (3490, 15596), (3899, 13960), (4456, 12215), (4886, 11140), (5570, 9772), (6980, 7798)]