34136840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 79833600

約数和(自身を除く): 45696760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 223, 344, 356, 430, 445, 446, 712, 860, 890, 892, 1115, 1720, 1780, 1784, 2230, 3560, 3827, 4460, 7654, 8920, 9589, 15308, 19135, 19178, 19847, 30616, 38270, 38356, 39694, 47945, 76540, 76712, 79388, 95890, 99235, 153080, 158776, 191780, 198470, 383560, 396940, 793880, 853421, 1706842, 3413684, 4267105, 6827368, 8534210, 17068420, 34136840]

約数ペア:

[(1, 34136840), (2, 17068420), (4, 8534210), (5, 6827368), (8, 4267105), (10, 3413684), (20, 1706842), (40, 853421), (43, 793880), (86, 396940), (89, 383560), (172, 198470), (178, 191780), (215, 158776), (223, 153080), (344, 99235), (356, 95890), (430, 79388), (445, 76712), (446, 76540), (712, 47945), (860, 39694), (890, 38356), (892, 38270), (1115, 30616), (1720, 19847), (1780, 19178), (1784, 19135), (2230, 15308), (3560, 9589), (3827, 8920), (4460, 7654)]