493958220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{168013}}^1$

素因数の和:168039

約数の個数: 72

約数和(自身を含む): 1608902064

約数和(自身を除く): 1114943844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 168013, 336026, 504039, 672052, 840065, 1008078, 1176091, 1680130, 2016156, 2352182, 2520195, 3360260, 3528273, 4704364, 5040390, 5880455, 7056546, 8232637, 10080780, 11760910, 14113092, 16465274, 17641365, 23521820, 24697911, 32930548, 35282730, 41163185, 49395822, 70565460, 82326370, 98791644, 123489555, 164652740, 246979110, 493958220]

約数ペア:

[(1, 493958220), (2, 246979110), (3, 164652740), (4, 123489555), (5, 98791644), (6, 82326370), (7, 70565460), (10, 49395822), (12, 41163185), (14, 35282730), (15, 32930548), (20, 24697911), (21, 23521820), (28, 17641365), (30, 16465274), (35, 14113092), (42, 11760910), (49, 10080780), (60, 8232637), (70, 7056546), (84, 5880455), (98, 5040390), (105, 4704364), (140, 3528273), (147, 3360260), (196, 2520195), (210, 2352182), (245, 2016156), (294, 1680130), (420, 1176091), (490, 1008078), (588, 840065), (735, 672052), (980, 504039), (1470, 336026), (2940, 168013)]