289471840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 839946240

約数和(自身を除く): 550474400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 160, 190, 223, 224, 244, 266, 280, 304, 305, 380, 427, 446, 488, 532, 560, 608, 610, 665, 760, 854, 892, 976, 1064, 1115, 1120, 1159, 1220, 1330, 1520, 1561, 1708, 1784, 1952, 2128, 2135, 2230, 2318, 2440, 2660, 3040, 3122, 3416, 3568, 4237, 4256, 4270, 4460, 4636, 4880, 5320, 5795, 6244, 6832, 7136, 7805, 8113, 8474, 8540, 8920, 9272, 9760, 10640, 11590, 12488, 13603, 13664, 15610, 16226, 16948, 17080, 17840, 18544, 21185, 21280, 23180, 24976, 27206, 29659, 31220, 32452, 33896, 34160, 35680, 37088, 40565, 42370, 46360, 49952, 54412, 59318, 62440, 64904, 67792, 68015, 68320, 81130, 84740, 92720, 95221, 108824, 118636, 124880, 129808, 135584, 136030, 148295, 162260, 169480, 185440, 190442, 217648, 237272, 249760, 258457, 259616, 272060, 296590, 324520, 338960, 380884, 435296, 474544, 476105, 516914, 544120, 593180, 649040, 677920, 761768, 949088, 952210, 1033828, 1088240, 1186360, 1292285, 1298080, 1523536, 1809199, 1904420, 2067656, 2176480, 2372720, 2584570, 3047072, 3618398, 3808840, 4135312, 4745440, 5169140, 7236796, 7617680, 8270624, 9045995, 10338280, 14473592, 15235360, 18091990, 20676560, 28947184, 36183980, 41353120, 57894368, 72367960, 144735920, 289471840]

約数ペア:

[(1, 289471840), (2, 144735920), (4, 72367960), (5, 57894368), (7, 41353120), (8, 36183980), (10, 28947184), (14, 20676560), (16, 18091990), (19, 15235360), (20, 14473592), (28, 10338280), (32, 9045995), (35, 8270624), (38, 7617680), (40, 7236796), (56, 5169140), (61, 4745440), (70, 4135312), (76, 3808840), (80, 3618398), (95, 3047072), (112, 2584570), (122, 2372720), (133, 2176480), (140, 2067656), (152, 1904420), (160, 1809199), (190, 1523536), (223, 1298080), (224, 1292285), (244, 1186360), (266, 1088240), (280, 1033828), (304, 952210), (305, 949088), (380, 761768), (427, 677920), (446, 649040), (488, 593180), (532, 544120), (560, 516914), (608, 476105), (610, 474544), (665, 435296), (760, 380884), (854, 338960), (892, 324520), (976, 296590), (1064, 272060), (1115, 259616), (1120, 258457), (1159, 249760), (1220, 237272), (1330, 217648), (1520, 190442), (1561, 185440), (1708, 169480), (1784, 162260), (1952, 148295), (2128, 136030), (2135, 135584), (2230, 129808), (2318, 124880), (2440, 118636), (2660, 108824), (3040, 95221), (3122, 92720), (3416, 84740), (3568, 81130), (4237, 68320), (4256, 68015), (4270, 67792), (4460, 64904), (4636, 62440), (4880, 59318), (5320, 54412), (5795, 49952), (6244, 46360), (6832, 42370), (7136, 40565), (7805, 37088), (8113, 35680), (8474, 34160), (8540, 33896), (8920, 32452), (9272, 31220), (9760, 29659), (10640, 27206), (11590, 24976), (12488, 23180), (13603, 21280), (13664, 21185), (15610, 18544), (16226, 17840), (16948, 17080)]