213871840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 192

約数和(自身を含む): 640289664

約数和(自身を除く): 426417824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 364, 370, 397, 416, 455, 481, 518, 520, 560, 592, 728, 740, 794, 910, 962, 1036, 1040, 1120, 1184, 1295, 1456, 1480, 1588, 1820, 1924, 1985, 2072, 2080, 2405, 2590, 2779, 2912, 2960, 3176, 3367, 3640, 3848, 3970, 4144, 4810, 5161, 5180, 5558, 5920, 6352, 6734, 7280, 7696, 7940, 8288, 9620, 10322, 10360, 11116, 12704, 13468, 13895, 14560, 14689, 15392, 15880, 16835, 19240, 20644, 20720, 22232, 25805, 26936, 27790, 29378, 31760, 33670, 36127, 38480, 41288, 41440, 44464, 51610, 53872, 55580, 58756, 63520, 67340, 72254, 73445, 76960, 82576, 88928, 102823, 103220, 107744, 111160, 117512, 134680, 144508, 146890, 165152, 180635, 190957, 205646, 206440, 222320, 235024, 269360, 289016, 293780, 361270, 381914, 411292, 412880, 444640, 470048, 514115, 538720, 578032, 587560, 722540, 763828, 822584, 825760, 954785, 1028230, 1156064, 1175120, 1336699, 1445080, 1527656, 1645168, 1909570, 2056460, 2350240, 2673398, 2890160, 3055312, 3290336, 3819140, 4112920, 5346796, 5780320, 6110624, 6683495, 7638280, 8225840, 10693592, 13366990, 15276560, 16451680, 21387184, 26733980, 30553120, 42774368, 53467960, 106935920, 213871840]

約数ペア:

[(1, 213871840), (2, 106935920), (4, 53467960), (5, 42774368), (7, 30553120), (8, 26733980), (10, 21387184), (13, 16451680), (14, 15276560), (16, 13366990), (20, 10693592), (26, 8225840), (28, 7638280), (32, 6683495), (35, 6110624), (37, 5780320), (40, 5346796), (52, 4112920), (56, 3819140), (65, 3290336), (70, 3055312), (74, 2890160), (80, 2673398), (91, 2350240), (104, 2056460), (112, 1909570), (130, 1645168), (140, 1527656), (148, 1445080), (160, 1336699), (182, 1175120), (185, 1156064), (208, 1028230), (224, 954785), (259, 825760), (260, 822584), (280, 763828), (296, 722540), (364, 587560), (370, 578032), (397, 538720), (416, 514115), (455, 470048), (481, 444640), (518, 412880), (520, 411292), (560, 381914), (592, 361270), (728, 293780), (740, 289016), (794, 269360), (910, 235024), (962, 222320), (1036, 206440), (1040, 205646), (1120, 190957), (1184, 180635), (1295, 165152), (1456, 146890), (1480, 144508), (1588, 134680), (1820, 117512), (1924, 111160), (1985, 107744), (2072, 103220), (2080, 102823), (2405, 88928), (2590, 82576), (2779, 76960), (2912, 73445), (2960, 72254), (3176, 67340), (3367, 63520), (3640, 58756), (3848, 55580), (3970, 53872), (4144, 51610), (4810, 44464), (5161, 41440), (5180, 41288), (5558, 38480), (5920, 36127), (6352, 33670), (6734, 31760), (7280, 29378), (7696, 27790), (7940, 26936), (8288, 25805), (9620, 22232), (10322, 20720), (10360, 20644), (11116, 19240), (12704, 16835), (13468, 15880), (13895, 15392), (14560, 14689)]