201991928420

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1831}}^1\times {\mathrm{8447}}^1$

素因数の和:10940

約数の個数: 48

約数和(自身を含む): 425114984448

約数和(自身を除く): 223123056028

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1831, 2612, 3265, 3662, 6530, 7324, 8447, 9155, 13060, 16894, 18310, 33788, 36620, 42235, 84470, 168940, 1195643, 2391286, 4782572, 5515891, 5978215, 11031782, 11956430, 15466457, 22063564, 23912860, 27579455, 30932914, 55158910, 61865828, 77332285, 110317820, 154664570, 309329140, 10099596421, 20199192842, 40398385684, 50497982105, 100995964210, 201991928420]

約数ペア:

[(1, 201991928420), (2, 100995964210), (4, 50497982105), (5, 40398385684), (10, 20199192842), (20, 10099596421), (653, 309329140), (1306, 154664570), (1831, 110317820), (2612, 77332285), (3265, 61865828), (3662, 55158910), (6530, 30932914), (7324, 27579455), (8447, 23912860), (9155, 22063564), (13060, 15466457), (16894, 11956430), (18310, 11031782), (33788, 5978215), (36620, 5515891), (42235, 4782572), (84470, 2391286), (168940, 1195643)]