17947000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 42625440

約数和(自身を除く): 24678440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 137, 200, 250, 262, 274, 500, 524, 548, 655, 685, 1000, 1048, 1096, 1310, 1370, 2620, 2740, 3275, 3425, 5240, 5480, 6550, 6850, 13100, 13700, 16375, 17125, 17947, 26200, 27400, 32750, 34250, 35894, 65500, 68500, 71788, 89735, 131000, 137000, 143576, 179470, 358940, 448675, 717880, 897350, 1794700, 2243375, 3589400, 4486750, 8973500, 17947000]

約数ペア:

[(1, 17947000), (2, 8973500), (4, 4486750), (5, 3589400), (8, 2243375), (10, 1794700), (20, 897350), (25, 717880), (40, 448675), (50, 358940), (100, 179470), (125, 143576), (131, 137000), (137, 131000), (200, 89735), (250, 71788), (262, 68500), (274, 65500), (500, 35894), (524, 34250), (548, 32750), (655, 27400), (685, 26200), (1000, 17947), (1048, 17125), (1096, 16375), (1310, 13700), (1370, 13100), (2620, 6850), (2740, 6550), (3275, 5480), (3425, 5240)]