1965364520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 192

約数和(自身を含む): 5420111760

約数和(自身を除く): 3454747240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 49, 56, 70, 74, 82, 98, 140, 148, 164, 185, 196, 205, 245, 259, 280, 287, 296, 328, 370, 392, 410, 490, 518, 574, 661, 740, 820, 980, 1036, 1148, 1295, 1322, 1435, 1480, 1517, 1640, 1813, 1960, 2009, 2072, 2296, 2590, 2644, 2870, 3034, 3305, 3626, 4018, 4627, 5180, 5288, 5740, 6068, 6610, 7252, 7585, 8036, 9065, 9254, 10045, 10360, 10619, 11480, 12136, 13220, 14504, 15170, 16072, 18130, 18508, 20090, 21238, 23135, 24457, 26440, 27101, 30340, 32389, 36260, 37016, 40180, 42476, 46270, 48914, 53095, 54202, 60680, 64778, 72520, 74333, 80360, 84952, 92540, 97828, 106190, 108404, 122285, 129556, 135505, 148666, 161945, 171199, 185080, 189707, 195656, 212380, 216808, 244570, 259112, 271010, 297332, 323890, 342398, 371665, 379414, 424760, 489140, 542020, 594664, 647780, 684796, 743330, 758828, 855995, 948535, 978280, 1002737, 1084040, 1198393, 1295560, 1327949, 1369592, 1486660, 1517656, 1711990, 1897070, 2005474, 2396786, 2655898, 2973320, 3423980, 3794140, 4010948, 4793572, 5013685, 5311796, 5991965, 6639745, 6847960, 7019159, 7588280, 8021896, 9587144, 10027370, 10623592, 11983930, 13279490, 14038318, 20054740, 23967860, 26558980, 28076636, 35095795, 40109480, 47935720, 49134113, 53117960, 56153272, 70191590, 98268226, 140383180, 196536452, 245670565, 280766360, 393072904, 491341130, 982682260, 1965364520]

約数ペア:

[(1, 1965364520), (2, 982682260), (4, 491341130), (5, 393072904), (7, 280766360), (8, 245670565), (10, 196536452), (14, 140383180), (20, 98268226), (28, 70191590), (35, 56153272), (37, 53117960), (40, 49134113), (41, 47935720), (49, 40109480), (56, 35095795), (70, 28076636), (74, 26558980), (82, 23967860), (98, 20054740), (140, 14038318), (148, 13279490), (164, 11983930), (185, 10623592), (196, 10027370), (205, 9587144), (245, 8021896), (259, 7588280), (280, 7019159), (287, 6847960), (296, 6639745), (328, 5991965), (370, 5311796), (392, 5013685), (410, 4793572), (490, 4010948), (518, 3794140), (574, 3423980), (661, 2973320), (740, 2655898), (820, 2396786), (980, 2005474), (1036, 1897070), (1148, 1711990), (1295, 1517656), (1322, 1486660), (1435, 1369592), (1480, 1327949), (1517, 1295560), (1640, 1198393), (1813, 1084040), (1960, 1002737), (2009, 978280), (2072, 948535), (2296, 855995), (2590, 758828), (2644, 743330), (2870, 684796), (3034, 647780), (3305, 594664), (3626, 542020), (4018, 489140), (4627, 424760), (5180, 379414), (5288, 371665), (5740, 342398), (6068, 323890), (6610, 297332), (7252, 271010), (7585, 259112), (8036, 244570), (9065, 216808), (9254, 212380), (10045, 195656), (10360, 189707), (10619, 185080), (11480, 171199), (12136, 161945), (13220, 148666), (14504, 135505), (15170, 129556), (16072, 122285), (18130, 108404), (18508, 106190), (20090, 97828), (21238, 92540), (23135, 84952), (24457, 80360), (26440, 74333), (27101, 72520), (30340, 64778), (32389, 60680), (36260, 54202), (37016, 53095), (40180, 48914), (42476, 46270)]