89190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{991}}^1$

素因数の和:1004

約数の個数: 24

約数和(自身を含む): 232128

約数和(自身を除く): 142938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 991, 1982, 2973, 4955, 5946, 8919, 9910, 14865, 17838, 29730, 44595, 89190]

約数ペア:

[(1, 89190), (2, 44595), (3, 29730), (5, 17838), (6, 14865), (9, 9910), (10, 8919), (15, 5946), (18, 4955), (30, 2973), (45, 1982), (90, 991)]