517880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1292760

約数和(自身を除く): 774880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 121, 214, 220, 242, 428, 440, 484, 535, 605, 856, 968, 1070, 1177, 1210, 2140, 2354, 2420, 4280, 4708, 4840, 5885, 9416, 11770, 12947, 23540, 25894, 47080, 51788, 64735, 103576, 129470, 258940, 517880]

約数ペア:

[(1, 517880), (2, 258940), (4, 129470), (5, 103576), (8, 64735), (10, 51788), (11, 47080), (20, 25894), (22, 23540), (40, 12947), (44, 11770), (55, 9416), (88, 5885), (107, 4840), (110, 4708), (121, 4280), (214, 2420), (220, 2354), (242, 2140), (428, 1210), (440, 1177), (484, 1070), (535, 968), (605, 856)]