208326580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135277}}^1$

素因数の和:135304

約数の個数: 48

約数和(自身を含む): 545440896

約数和(自身を除く): 337114316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 135277, 270554, 541108, 676385, 946939, 1352770, 1488047, 1893878, 2705540, 2976094, 3787756, 4734695, 5952188, 7440235, 9469390, 10416329, 14880470, 18938780, 20832658, 29760940, 41665316, 52081645, 104163290, 208326580]

約数ペア:

[(1, 208326580), (2, 104163290), (4, 52081645), (5, 41665316), (7, 29760940), (10, 20832658), (11, 18938780), (14, 14880470), (20, 10416329), (22, 9469390), (28, 7440235), (35, 5952188), (44, 4734695), (55, 3787756), (70, 2976094), (77, 2705540), (110, 1893878), (140, 1488047), (154, 1352770), (220, 946939), (308, 676385), (385, 541108), (770, 270554), (1540, 135277)]