28003563.000000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14947}}^1$

素因数の和:15015

約数の個数: 72

約数和(自身を含む): 440726832

約数和(自身を除く): 298132452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 14947, 29894, 44841, 59788, 74735, 89682, 134523, 149470, 179364, 224205, 269046, 298940, 448410, 538092, 672615, 792191, 896820, 1345230, 1584382, 2376573, 2690460, 3168764, 3960955, 4753146, 7129719, 7921910, 9506292, 11882865, 14259438, 15843820, 23765730, 28518876, 35648595, 47531460, 71297190, 142594380]

約数ペア:

[(1, 142594380), (2, 71297190), (3, 47531460), (4, 35648595), (5, 28518876), (6, 23765730), (9, 15843820), (10, 14259438), (12, 11882865), (15, 9506292), (18, 7921910), (20, 7129719), (30, 4753146), (36, 3960955), (45, 3168764), (53, 2690460), (60, 2376573), (90, 1584382), (106, 1345230), (159, 896820), (180, 792191), (212, 672615), (265, 538092), (318, 448410), (477, 298940), (530, 269046), (636, 224205), (795, 179364), (954, 149470), (1060, 134523), (1590, 89682), (1908, 74735), (2385, 59788), (3180, 44841), (4770, 29894), (9540, 14947)]