89289090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90191}}^1$

素因数の和:90215

約数の個数: 48

約数和(自身を含む): 253259136

約数和(自身を除く): 163970046

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 90191, 180382, 270573, 450955, 541146, 811719, 901910, 992101, 1352865, 1623438, 1984202, 2705730, 2976303, 4058595, 4960505, 5952606, 8117190, 8928909, 9921010, 14881515, 17857818, 29763030, 44644545, 89289090]

約数ペア:

[(1, 89289090), (2, 44644545), (3, 29763030), (5, 17857818), (6, 14881515), (9, 9921010), (10, 8928909), (11, 8117190), (15, 5952606), (18, 4960505), (22, 4058595), (30, 2976303), (33, 2705730), (45, 1984202), (55, 1623438), (66, 1352865), (90, 992101), (99, 901910), (110, 811719), (165, 541146), (198, 450955), (330, 270573), (495, 180382), (990, 90191)]