278996820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{160343}}^1$

素因数の和:160384

約数の個数: 48

約数和(自身を含む): 808133760

約数和(自身を除く): 529136940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 160343, 320686, 481029, 641372, 801715, 962058, 1603430, 1924116, 2405145, 3206860, 4649947, 4810290, 9299894, 9620580, 13949841, 18599788, 23249735, 27899682, 46499470, 55799364, 69749205, 92998940, 139498410, 278996820]

約数ペア:

[(1, 278996820), (2, 139498410), (3, 92998940), (4, 69749205), (5, 55799364), (6, 46499470), (10, 27899682), (12, 23249735), (15, 18599788), (20, 13949841), (29, 9620580), (30, 9299894), (58, 4810290), (60, 4649947), (87, 3206860), (116, 2405145), (145, 1924116), (174, 1603430), (290, 962058), (348, 801715), (435, 641372), (580, 481029), (870, 320686), (1740, 160343)]