312012640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21911}}^1$

素因数の和:22015

約数の個数: 48

約数和(自身を含む): 745446240

約数和(自身を除く): 433433600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 21911, 43822, 87644, 109555, 175288, 219110, 350576, 438220, 701152, 876440, 1752880, 1950079, 3505760, 3900158, 7800316, 9750395, 15600632, 19500790, 31201264, 39001580, 62402528, 78003160, 156006320, 312012640]

約数ペア:

[(1, 312012640), (2, 156006320), (4, 78003160), (5, 62402528), (8, 39001580), (10, 31201264), (16, 19500790), (20, 15600632), (32, 9750395), (40, 7800316), (80, 3900158), (89, 3505760), (160, 1950079), (178, 1752880), (356, 876440), (445, 701152), (712, 438220), (890, 350576), (1424, 219110), (1780, 175288), (2848, 109555), (3560, 87644), (7120, 43822), (14240, 21911)]