289878250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{61027}}^1$

素因数の和:61063

約数の個数: 32

約数和(自身を含む): 571222080

約数和(自身を除く): 281343830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 61027, 122054, 305135, 610270, 1159513, 1525675, 2319026, 3051350, 5797565, 7628375, 11595130, 15256750, 28987825, 57975650, 144939125, 289878250]

約数ペア:

[(1, 289878250), (2, 144939125), (5, 57975650), (10, 28987825), (19, 15256750), (25, 11595130), (38, 7628375), (50, 5797565), (95, 3051350), (125, 2319026), (190, 1525675), (250, 1159513), (475, 610270), (950, 305135), (2375, 122054), (4750, 61027)]