400830080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 256

約数和(自身を含む): 1224979200

約数和(自身を除く): 824149120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 64, 68, 70, 76, 80, 85, 95, 112, 119, 128, 133, 136, 140, 152, 160, 170, 190, 224, 238, 266, 272, 277, 280, 304, 320, 323, 340, 380, 448, 476, 532, 544, 554, 560, 595, 608, 640, 646, 665, 680, 760, 896, 952, 1064, 1088, 1108, 1120, 1190, 1216, 1292, 1330, 1360, 1385, 1520, 1615, 1904, 1939, 2128, 2176, 2216, 2240, 2261, 2380, 2432, 2584, 2660, 2720, 2770, 3040, 3230, 3808, 3878, 4256, 4432, 4480, 4522, 4709, 4760, 5168, 5263, 5320, 5440, 5540, 6080, 6460, 7616, 7756, 8512, 8864, 9044, 9418, 9520, 9695, 10336, 10526, 10640, 10880, 11080, 11305, 12160, 12920, 15232, 15512, 17024, 17728, 18088, 18836, 19040, 19390, 20672, 21052, 21280, 22160, 22610, 23545, 25840, 26315, 31024, 32963, 35456, 36176, 36841, 37672, 38080, 38780, 41344, 42104, 42560, 44320, 45220, 47090, 51680, 52630, 62048, 65926, 72352, 73682, 75344, 76160, 77560, 84208, 85120, 88640, 89471, 90440, 94180, 103360, 105260, 124096, 131852, 144704, 147364, 150688, 155120, 164815, 168416, 177280, 178942, 180880, 184205, 188360, 206720, 210520, 248192, 263704, 289408, 294728, 301376, 310240, 329630, 336832, 357884, 361760, 368410, 376720, 421040, 447355, 527408, 589456, 602752, 620480, 626297, 659260, 673664, 715768, 723520, 736820, 753440, 842080, 894710, 1054816, 1178912, 1240960, 1252594, 1318520, 1431536, 1447040, 1473640, 1506880, 1684160, 1789420, 2109632, 2357824, 2505188, 2637040, 2863072, 2947280, 3013760, 3131485, 3368320, 3578840, 4219264, 4715648, 5010376, 5274080, 5726144, 5894560, 6262970, 7157680, 10020752, 10548160, 11452288, 11789120, 12525940, 14315360, 20041504, 21096320, 23578240, 25051880, 28630720, 40083008, 50103760, 57261440, 80166016, 100207520, 200415040, 400830080]

約数ペア:

[(1, 400830080), (2, 200415040), (4, 100207520), (5, 80166016), (7, 57261440), (8, 50103760), (10, 40083008), (14, 28630720), (16, 25051880), (17, 23578240), (19, 21096320), (20, 20041504), (28, 14315360), (32, 12525940), (34, 11789120), (35, 11452288), (38, 10548160), (40, 10020752), (56, 7157680), (64, 6262970), (68, 5894560), (70, 5726144), (76, 5274080), (80, 5010376), (85, 4715648), (95, 4219264), (112, 3578840), (119, 3368320), (128, 3131485), (133, 3013760), (136, 2947280), (140, 2863072), (152, 2637040), (160, 2505188), (170, 2357824), (190, 2109632), (224, 1789420), (238, 1684160), (266, 1506880), (272, 1473640), (277, 1447040), (280, 1431536), (304, 1318520), (320, 1252594), (323, 1240960), (340, 1178912), (380, 1054816), (448, 894710), (476, 842080), (532, 753440), (544, 736820), (554, 723520), (560, 715768), (595, 673664), (608, 659260), (640, 626297), (646, 620480), (665, 602752), (680, 589456), (760, 527408), (896, 447355), (952, 421040), (1064, 376720), (1088, 368410), (1108, 361760), (1120, 357884), (1190, 336832), (1216, 329630), (1292, 310240), (1330, 301376), (1360, 294728), (1385, 289408), (1520, 263704), (1615, 248192), (1904, 210520), (1939, 206720), (2128, 188360), (2176, 184205), (2216, 180880), (2240, 178942), (2261, 177280), (2380, 168416), (2432, 164815), (2584, 155120), (2660, 150688), (2720, 147364), (2770, 144704), (3040, 131852), (3230, 124096), (3808, 105260), (3878, 103360), (4256, 94180), (4432, 90440), (4480, 89471), (4522, 88640), (4709, 85120), (4760, 84208), (5168, 77560), (5263, 76160), (5320, 75344), (5440, 73682), (5540, 72352), (6080, 65926), (6460, 62048), (7616, 52630), (7756, 51680), (8512, 47090), (8864, 45220), (9044, 44320), (9418, 42560), (9520, 42104), (9695, 41344), (10336, 38780), (10526, 38080), (10640, 37672), (10880, 36841), (11080, 36176), (11305, 35456), (12160, 32963), (12920, 31024), (15232, 26315), (15512, 25840), (17024, 23545), (17728, 22610), (18088, 22160), (18836, 21280), (19040, 21052), (19390, 20672)]