278323880

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{4673}}^1$

素因数の和:6173

約数の個数: 32

約数和(自身を含む): 626783400

約数和(自身を除く): 348459520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2978, 4673, 5956, 7445, 9346, 11912, 14890, 18692, 23365, 29780, 37384, 46730, 59560, 93460, 186920, 6958097, 13916194, 27832388, 34790485, 55664776, 69580970, 139161940, 278323880]

約数ペア:

[(1, 278323880), (2, 139161940), (4, 69580970), (5, 55664776), (8, 34790485), (10, 27832388), (20, 13916194), (40, 6958097), (1489, 186920), (2978, 93460), (4673, 59560), (5956, 46730), (7445, 37384), (9346, 29780), (11912, 23365), (14890, 18692)]