209968449610

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{10139}}^1\times {\mathrm{4919}}^1$

素因数の和:15486

約数の個数: 32

約数和(自身を含む): 378955324800

約数和(自身を除く): 168986875190

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4919, 9838, 10139, 20278, 24595, 49190, 50695, 101390, 2070899, 4141798, 4268519, 8537038, 10354495, 20708990, 21342595, 42685190, 49873741, 99747482, 249368705, 498737410, 20996844961, 41993689922, 104984224805, 209968449610]

約数ペア:

[(1, 209968449610), (2, 104984224805), (5, 41993689922), (10, 20996844961), (421, 498737410), (842, 249368705), (2105, 99747482), (4210, 49873741), (4919, 42685190), (9838, 21342595), (10139, 20708990), (20278, 10354495), (24595, 8537038), (49190, 4268519), (50695, 4141798), (101390, 2070899)]