229697840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 565068000

約数和(自身を除く): 335370160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 349, 380, 433, 698, 760, 866, 1396, 1520, 1732, 1745, 2165, 2792, 3464, 3490, 4330, 5584, 6631, 6928, 6980, 8227, 8660, 13262, 13960, 16454, 17320, 26524, 27920, 32908, 33155, 34640, 41135, 53048, 65816, 66310, 82270, 106096, 131632, 132620, 151117, 164540, 265240, 302234, 329080, 530480, 604468, 658160, 755585, 1208936, 1511170, 2417872, 2871223, 3022340, 5742446, 6044680, 11484892, 12089360, 14356115, 22969784, 28712230, 45939568, 57424460, 114848920, 229697840]

約数ペア:

[(1, 229697840), (2, 114848920), (4, 57424460), (5, 45939568), (8, 28712230), (10, 22969784), (16, 14356115), (19, 12089360), (20, 11484892), (38, 6044680), (40, 5742446), (76, 3022340), (80, 2871223), (95, 2417872), (152, 1511170), (190, 1208936), (304, 755585), (349, 658160), (380, 604468), (433, 530480), (698, 329080), (760, 302234), (866, 265240), (1396, 164540), (1520, 151117), (1732, 132620), (1745, 131632), (2165, 106096), (2792, 82270), (3464, 66310), (3490, 65816), (4330, 53048), (5584, 41135), (6631, 34640), (6928, 33155), (6980, 32908), (8227, 27920), (8660, 26524), (13262, 17320), (13960, 16454)]