289096420

素因数分解:

$2^2\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{4969}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 607433400

約数和(自身を除く): 318336980

約数列:

[1, 2, 4, 5, 10, 20, 2909, 4969, 5818, 9938, 11636, 14545, 19876, 24845, 29090, 49690, 58180, 99380, 14454821, 28909642, 57819284, 72274105, 144548210, 289096420]

約数ペア:

[(1, 289096420), (2, 144548210), (4, 72274105), (5, 57819284), (10, 28909642), (20, 14454821), (2909, 99380), (4969, 58180), (5818, 49690), (9938, 29090), (11636, 24845), (14545, 19876)]