213689840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 618710400

約数和(自身を除く): 405020560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 149, 182, 197, 208, 260, 280, 298, 364, 394, 455, 520, 560, 596, 728, 745, 788, 910, 985, 1040, 1043, 1192, 1379, 1456, 1490, 1576, 1820, 1937, 1970, 2086, 2384, 2561, 2758, 2980, 3152, 3640, 3874, 3940, 4172, 5122, 5215, 5516, 5960, 6895, 7280, 7748, 7880, 8344, 9685, 10244, 10430, 11032, 11920, 12805, 13559, 13790, 15496, 15760, 16688, 17927, 19370, 20488, 20860, 22064, 25610, 27118, 27580, 29353, 30992, 35854, 38740, 40976, 41720, 51220, 54236, 55160, 58706, 67795, 71708, 77480, 83440, 89635, 102440, 108472, 110320, 117412, 135590, 143416, 146765, 154960, 179270, 204880, 205471, 216944, 234824, 271180, 286832, 293530, 358540, 381589, 410942, 469648, 542360, 587060, 717080, 763178, 821884, 1027355, 1084720, 1174120, 1434160, 1526356, 1643768, 1907945, 2054710, 2348240, 2671123, 3052712, 3287536, 3815890, 4109420, 5342246, 6105424, 7631780, 8218840, 10684492, 13355615, 15263560, 16437680, 21368984, 26711230, 30527120, 42737968, 53422460, 106844920, 213689840]

約数ペア:

[(1, 213689840), (2, 106844920), (4, 53422460), (5, 42737968), (7, 30527120), (8, 26711230), (10, 21368984), (13, 16437680), (14, 15263560), (16, 13355615), (20, 10684492), (26, 8218840), (28, 7631780), (35, 6105424), (40, 5342246), (52, 4109420), (56, 3815890), (65, 3287536), (70, 3052712), (80, 2671123), (91, 2348240), (104, 2054710), (112, 1907945), (130, 1643768), (140, 1526356), (149, 1434160), (182, 1174120), (197, 1084720), (208, 1027355), (260, 821884), (280, 763178), (298, 717080), (364, 587060), (394, 542360), (455, 469648), (520, 410942), (560, 381589), (596, 358540), (728, 293530), (745, 286832), (788, 271180), (910, 234824), (985, 216944), (1040, 205471), (1043, 204880), (1192, 179270), (1379, 154960), (1456, 146765), (1490, 143416), (1576, 135590), (1820, 117412), (1937, 110320), (1970, 108472), (2086, 102440), (2384, 89635), (2561, 83440), (2758, 77480), (2980, 71708), (3152, 67795), (3640, 58706), (3874, 55160), (3940, 54236), (4172, 51220), (5122, 41720), (5215, 40976), (5516, 38740), (5960, 35854), (6895, 30992), (7280, 29353), (7748, 27580), (7880, 27118), (8344, 25610), (9685, 22064), (10244, 20860), (10430, 20488), (11032, 19370), (11920, 17927), (12805, 16688), (13559, 15760), (13790, 15496)]