17882770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 15242990

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 283, 355, 445, 566, 710, 890, 1415, 2830, 6319, 12638, 20093, 25187, 31595, 40186, 50374, 63190, 100465, 125935, 200930, 251870, 1788277, 3576554, 8941385, 17882770]

約数ペア:

[(1, 17882770), (2, 8941385), (5, 3576554), (10, 1788277), (71, 251870), (89, 200930), (142, 125935), (178, 100465), (283, 63190), (355, 50374), (445, 40186), (566, 31595), (710, 25187), (890, 20093), (1415, 12638), (2830, 6319)]