2019841370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 3874314240

約数和(自身を除く): 1854472870

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 179, 230, 355, 358, 691, 710, 895, 1382, 1633, 1790, 3266, 3455, 4117, 6910, 8165, 8234, 12709, 15893, 16330, 20585, 25418, 31786, 41170, 49061, 63545, 79465, 98122, 123689, 127090, 158930, 245305, 247378, 292307, 490610, 584614, 618445, 1128403, 1236890, 1461535, 2256806, 2844847, 2923070, 5642015, 5689694, 8781919, 11284030, 14224235, 17563838, 28448470, 43909595, 87819190, 201984137, 403968274, 1009920685, 2019841370]

約数ペア:

[(1, 2019841370), (2, 1009920685), (5, 403968274), (10, 201984137), (23, 87819190), (46, 43909595), (71, 28448470), (115, 17563838), (142, 14224235), (179, 11284030), (230, 8781919), (355, 5689694), (358, 5642015), (691, 2923070), (710, 2844847), (895, 2256806), (1382, 1461535), (1633, 1236890), (1790, 1128403), (3266, 618445), (3455, 584614), (4117, 490610), (6910, 292307), (8165, 247378), (8234, 245305), (12709, 158930), (15893, 127090), (16330, 123689), (20585, 98122), (25418, 79465), (31786, 63545), (41170, 49061)]