89022920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 229824000

約数和(自身を除く): 140801080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 911, 1396, 1745, 1822, 2443, 2792, 3490, 3644, 4555, 4886, 6377, 6980, 7288, 9110, 9772, 12215, 12754, 13960, 18220, 19544, 24430, 25508, 31885, 36440, 48860, 51016, 63770, 97720, 127540, 255080, 317939, 635878, 1271756, 1589695, 2225573, 2543512, 3179390, 4451146, 6358780, 8902292, 11127865, 12717560, 17804584, 22255730, 44511460, 89022920]

約数ペア:

[(1, 89022920), (2, 44511460), (4, 22255730), (5, 17804584), (7, 12717560), (8, 11127865), (10, 8902292), (14, 6358780), (20, 4451146), (28, 3179390), (35, 2543512), (40, 2225573), (56, 1589695), (70, 1271756), (140, 635878), (280, 317939), (349, 255080), (698, 127540), (911, 97720), (1396, 63770), (1745, 51016), (1822, 48860), (2443, 36440), (2792, 31885), (3490, 25508), (3644, 24430), (4555, 19544), (4886, 18220), (6377, 13960), (6980, 12754), (7288, 12215), (9110, 9772)]