331369180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{757}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 714399840

約数和(自身を除く): 383030660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 509, 757, 860, 1018, 1514, 2036, 2545, 3028, 3785, 5090, 7570, 10180, 15140, 21887, 32551, 43774, 65102, 87548, 109435, 130204, 162755, 218870, 325510, 385313, 437740, 651020, 770626, 1541252, 1926565, 3853130, 7706260, 16568459, 33136918, 66273836, 82842295, 165684590, 331369180]

約数ペア:

[(1, 331369180), (2, 165684590), (4, 82842295), (5, 66273836), (10, 33136918), (20, 16568459), (43, 7706260), (86, 3853130), (172, 1926565), (215, 1541252), (430, 770626), (509, 651020), (757, 437740), (860, 385313), (1018, 325510), (1514, 218870), (2036, 162755), (2545, 130204), (3028, 109435), (3785, 87548), (5090, 65102), (7570, 43774), (10180, 32551), (15140, 21887)]