205870240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1382

約数の個数: 96

約数和(自身を含む): 519716736

約数和(自身を除く): 313846496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 215, 230, 344, 368, 430, 460, 688, 736, 860, 920, 989, 1301, 1376, 1720, 1840, 1978, 2602, 3440, 3680, 3956, 4945, 5204, 6505, 6880, 7912, 9890, 10408, 13010, 15824, 19780, 20816, 26020, 29923, 31648, 39560, 41632, 52040, 55943, 59846, 79120, 104080, 111886, 119692, 149615, 158240, 208160, 223772, 239384, 279715, 299230, 447544, 478768, 559430, 598460, 895088, 957536, 1118860, 1196920, 1286689, 1790176, 2237720, 2393840, 2573378, 4475440, 4787680, 5146756, 6433445, 8950880, 10293512, 12866890, 20587024, 25733780, 41174048, 51467560, 102935120, 205870240]

約数ペア:

[(1, 205870240), (2, 102935120), (4, 51467560), (5, 41174048), (8, 25733780), (10, 20587024), (16, 12866890), (20, 10293512), (23, 8950880), (32, 6433445), (40, 5146756), (43, 4787680), (46, 4475440), (80, 2573378), (86, 2393840), (92, 2237720), (115, 1790176), (160, 1286689), (172, 1196920), (184, 1118860), (215, 957536), (230, 895088), (344, 598460), (368, 559430), (430, 478768), (460, 447544), (688, 299230), (736, 279715), (860, 239384), (920, 223772), (989, 208160), (1301, 158240), (1376, 149615), (1720, 119692), (1840, 111886), (1978, 104080), (2602, 79120), (3440, 59846), (3680, 55943), (3956, 52040), (4945, 41632), (5204, 39560), (6505, 31648), (6880, 29923), (7912, 26020), (9890, 20816), (10408, 19780), (13010, 15824)]