209709280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 589171968

約数和(自身を除く): 379462688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 136, 160, 163, 170, 172, 176, 187, 215, 220, 272, 326, 340, 344, 352, 374, 430, 440, 473, 544, 652, 680, 688, 731, 748, 815, 860, 880, 935, 946, 1304, 1360, 1376, 1462, 1496, 1630, 1720, 1760, 1793, 1870, 1892, 2365, 2608, 2720, 2771, 2924, 2992, 3260, 3440, 3586, 3655, 3740, 3784, 4730, 5216, 5542, 5848, 5984, 6520, 6880, 7009, 7172, 7310, 7480, 7568, 8041, 8965, 9460, 11084, 11696, 13040, 13855, 14018, 14344, 14620, 14960, 15136, 16082, 17930, 18920, 22168, 23392, 26080, 27710, 28036, 28688, 29240, 29920, 30481, 32164, 35045, 35860, 37840, 40205, 44336, 55420, 56072, 57376, 58480, 60962, 64328, 70090, 71720, 75680, 77099, 80410, 88672, 110840, 112144, 116960, 119153, 121924, 128656, 140180, 143440, 152405, 154198, 160820, 221680, 224288, 238306, 243848, 257312, 280360, 286880, 304810, 308396, 321640, 385495, 443360, 476612, 487696, 560720, 595765, 609620, 616792, 643280, 770990, 953224, 975392, 1121440, 1191530, 1219240, 1233584, 1286560, 1310683, 1541980, 1906448, 2383060, 2438480, 2467168, 2621366, 3083960, 3812896, 4766120, 4876960, 5242732, 6167920, 6553415, 9532240, 10485464, 12335840, 13106830, 19064480, 20970928, 26213660, 41941856, 52427320, 104854640, 209709280]

約数ペア:

[(1, 209709280), (2, 104854640), (4, 52427320), (5, 41941856), (8, 26213660), (10, 20970928), (11, 19064480), (16, 13106830), (17, 12335840), (20, 10485464), (22, 9532240), (32, 6553415), (34, 6167920), (40, 5242732), (43, 4876960), (44, 4766120), (55, 3812896), (68, 3083960), (80, 2621366), (85, 2467168), (86, 2438480), (88, 2383060), (110, 1906448), (136, 1541980), (160, 1310683), (163, 1286560), (170, 1233584), (172, 1219240), (176, 1191530), (187, 1121440), (215, 975392), (220, 953224), (272, 770990), (326, 643280), (340, 616792), (344, 609620), (352, 595765), (374, 560720), (430, 487696), (440, 476612), (473, 443360), (544, 385495), (652, 321640), (680, 308396), (688, 304810), (731, 286880), (748, 280360), (815, 257312), (860, 243848), (880, 238306), (935, 224288), (946, 221680), (1304, 160820), (1360, 154198), (1376, 152405), (1462, 143440), (1496, 140180), (1630, 128656), (1720, 121924), (1760, 119153), (1793, 116960), (1870, 112144), (1892, 110840), (2365, 88672), (2608, 80410), (2720, 77099), (2771, 75680), (2924, 71720), (2992, 70090), (3260, 64328), (3440, 60962), (3586, 58480), (3655, 57376), (3740, 56072), (3784, 55420), (4730, 44336), (5216, 40205), (5542, 37840), (5848, 35860), (5984, 35045), (6520, 32164), (6880, 30481), (7009, 29920), (7172, 29240), (7310, 28688), (7480, 28036), (7568, 27710), (8041, 26080), (8965, 23392), (9460, 22168), (11084, 18920), (11696, 17930), (13040, 16082), (13855, 15136), (14018, 14960), (14344, 14620)]