109639100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 244984320

約数和(自身を除く): 135345220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 97, 100, 127, 178, 194, 254, 356, 388, 445, 485, 508, 635, 890, 970, 1270, 1780, 1940, 2225, 2425, 2540, 3175, 4450, 4850, 6350, 8633, 8900, 9700, 11303, 12319, 12700, 17266, 22606, 24638, 34532, 43165, 45212, 49276, 56515, 61595, 86330, 113030, 123190, 172660, 215825, 226060, 246380, 282575, 307975, 431650, 565150, 615950, 863300, 1096391, 1130300, 1231900, 2192782, 4385564, 5481955, 10963910, 21927820, 27409775, 54819550, 109639100]

約数ペア:

[(1, 109639100), (2, 54819550), (4, 27409775), (5, 21927820), (10, 10963910), (20, 5481955), (25, 4385564), (50, 2192782), (89, 1231900), (97, 1130300), (100, 1096391), (127, 863300), (178, 615950), (194, 565150), (254, 431650), (356, 307975), (388, 282575), (445, 246380), (485, 226060), (508, 215825), (635, 172660), (890, 123190), (970, 113030), (1270, 86330), (1780, 61595), (1940, 56515), (2225, 49276), (2425, 45212), (2540, 43165), (3175, 34532), (4450, 24638), (4850, 22606), (6350, 17266), (8633, 12700), (8900, 12319), (9700, 11303)]