210331520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 192

約数和(自身を含む): 617446800

約数和(自身を除く): 407115280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 353, 380, 392, 448, 490, 532, 560, 608, 640, 665, 706, 760, 784, 896, 931, 980, 1064, 1120, 1216, 1330, 1412, 1520, 1568, 1765, 1862, 1960, 2128, 2240, 2432, 2471, 2660, 2824, 3040, 3136, 3530, 3724, 3920, 4256, 4480, 4655, 4942, 5320, 5648, 6080, 6272, 6707, 7060, 7448, 7840, 8512, 9310, 9884, 10640, 11296, 12160, 12355, 13414, 14120, 14896, 15680, 17024, 17297, 18620, 19768, 21280, 22592, 24710, 26828, 28240, 29792, 31360, 33535, 34594, 37240, 39536, 42560, 45184, 46949, 49420, 53656, 56480, 59584, 67070, 69188, 74480, 79072, 85120, 86485, 93898, 98840, 107312, 112960, 119168, 134140, 138376, 148960, 158144, 172970, 187796, 197680, 214624, 225920, 234745, 268280, 276752, 297920, 316288, 328643, 345940, 375592, 395360, 429248, 469490, 536560, 553504, 595840, 657286, 691880, 751184, 790720, 858496, 938980, 1073120, 1107008, 1314572, 1383760, 1502368, 1581440, 1643215, 1877960, 2146240, 2214016, 2629144, 2767520, 3004736, 3286430, 3755920, 4292480, 5258288, 5535040, 6009472, 6572860, 7511840, 10516576, 11070080, 13145720, 15023680, 21033152, 26291440, 30047360, 42066304, 52582880, 105165760, 210331520]

約数ペア:

[(1, 210331520), (2, 105165760), (4, 52582880), (5, 42066304), (7, 30047360), (8, 26291440), (10, 21033152), (14, 15023680), (16, 13145720), (19, 11070080), (20, 10516576), (28, 7511840), (32, 6572860), (35, 6009472), (38, 5535040), (40, 5258288), (49, 4292480), (56, 3755920), (64, 3286430), (70, 3004736), (76, 2767520), (80, 2629144), (95, 2214016), (98, 2146240), (112, 1877960), (128, 1643215), (133, 1581440), (140, 1502368), (152, 1383760), (160, 1314572), (190, 1107008), (196, 1073120), (224, 938980), (245, 858496), (266, 790720), (280, 751184), (304, 691880), (320, 657286), (353, 595840), (380, 553504), (392, 536560), (448, 469490), (490, 429248), (532, 395360), (560, 375592), (608, 345940), (640, 328643), (665, 316288), (706, 297920), (760, 276752), (784, 268280), (896, 234745), (931, 225920), (980, 214624), (1064, 197680), (1120, 187796), (1216, 172970), (1330, 158144), (1412, 148960), (1520, 138376), (1568, 134140), (1765, 119168), (1862, 112960), (1960, 107312), (2128, 98840), (2240, 93898), (2432, 86485), (2471, 85120), (2660, 79072), (2824, 74480), (3040, 69188), (3136, 67070), (3530, 59584), (3724, 56480), (3920, 53656), (4256, 49420), (4480, 46949), (4655, 45184), (4942, 42560), (5320, 39536), (5648, 37240), (6080, 34594), (6272, 33535), (6707, 31360), (7060, 29792), (7448, 28240), (7840, 26828), (8512, 24710), (9310, 22592), (9884, 21280), (10640, 19768), (11296, 18620), (12160, 17297), (12355, 17024), (13414, 15680), (14120, 14896)]