269240270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66809}}^1$

素因数の和:66860

約数の個数: 32

約数和(自身を含む): 538755840

約数和(自身を除く): 269515570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 66809, 133618, 334045, 668090, 868517, 1737034, 2071079, 4142158, 4342585, 8685170, 10355395, 20710790, 26924027, 53848054, 134620135, 269240270]

約数ペア:

[(1, 269240270), (2, 134620135), (5, 53848054), (10, 26924027), (13, 20710790), (26, 10355395), (31, 8685170), (62, 4342585), (65, 4142158), (130, 2071079), (155, 1737034), (310, 868517), (403, 668090), (806, 334045), (2015, 133618), (4030, 66809)]