405280990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{3167}}^1$

素因数の和:3432

約数の個数: 32

約数和(自身を含む): 744505344

約数和(自身を除く): 339224354

約数列:

[1, 2, 5, 10, 67, 134, 191, 335, 382, 670, 955, 1910, 3167, 6334, 12797, 15835, 25594, 31670, 63985, 127970, 212189, 424378, 604897, 1060945, 1209794, 2121890, 3024485, 6048970, 40528099, 81056198, 202640495, 405280990]

約数ペア:

[(1, 405280990), (2, 202640495), (5, 81056198), (10, 40528099), (67, 6048970), (134, 3024485), (191, 2121890), (335, 1209794), (382, 1060945), (670, 604897), (955, 424378), (1910, 212189), (3167, 127970), (6334, 63985), (12797, 31670), (15835, 25594)]