245300840

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{10103}}^1$

素因数の和:10721

約数の個数: 32

約数和(自身を含む): 552890880

約数和(自身を除く): 307590040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 10103, 12140, 20206, 24280, 40412, 50515, 80824, 101030, 202060, 404120, 6132521, 12265042, 24530084, 30662605, 49060168, 61325210, 122650420, 245300840]

約数ペア:

[(1, 245300840), (2, 122650420), (4, 61325210), (5, 49060168), (8, 30662605), (10, 24530084), (20, 12265042), (40, 6132521), (607, 404120), (1214, 202060), (2428, 101030), (3035, 80824), (4856, 50515), (6070, 40412), (10103, 24280), (12140, 20206)]