205129540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133201}}^1$

素因数の和:133228

約数の個数: 48

約数和(自身を含む): 537070464

約数和(自身を除く): 331940924

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, 133201, 266402, 532804, 666005, 932407, 1332010, 1465211, 1864814, 2664020, 2930422, 3729628, 4662035, 5860844, 7326055, 9324070, 10256477, 14652110, 18648140, 20512954, 29304220, 41025908, 51282385, 102564770, 205129540]

約数ペア:

[(1, 205129540), (2, 102564770), (4, 51282385), (5, 41025908), (7, 29304220), (10, 20512954), (11, 18648140), (14, 14652110), (20, 10256477), (22, 9324070), (28, 7326055), (35, 5860844), (44, 4662035), (55, 3729628), (70, 2930422), (77, 2664020), (110, 1864814), (140, 1465211), (154, 1332010), (220, 932407), (308, 666005), (385, 532804), (770, 266402), (1540, 133201)]