1990042524

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 5472230400

約数和(自身を除く): 3482187876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 179, 207, 261, 276, 348, 358, 414, 463, 522, 537, 667, 716, 828, 926, 1044, 1074, 1334, 1389, 1611, 1852, 2001, 2148, 2668, 2778, 3222, 4002, 4117, 4167, 5191, 5556, 6003, 6444, 8004, 8234, 8334, 10382, 10649, 12006, 12351, 13427, 15573, 16468, 16668, 20764, 21298, 24012, 24702, 26854, 31146, 31947, 37053, 40281, 42596, 46719, 49404, 53708, 62292, 63894, 74106, 80562, 82877, 93438, 95841, 119393, 120843, 127788, 148212, 161124, 165754, 186876, 191682, 238786, 241686, 248631, 308821, 331508, 358179, 383364, 477572, 483372, 497262, 617642, 716358, 745893, 926463, 994524, 1074537, 1235284, 1432716, 1491786, 1852926, 1906171, 2149074, 2403433, 2779389, 2983572, 3705852, 3812342, 4298148, 4806866, 5558778, 5718513, 7210299, 7624684, 9613732, 11117556, 11437026, 14420598, 17155539, 21630897, 22874052, 28841196, 34311078, 43261794, 55278959, 68622156, 86523588, 110557918, 165836877, 221115836, 331673754, 497510631, 663347508, 995021262, 1990042524]

約数ペア:

[(1, 1990042524), (2, 995021262), (3, 663347508), (4, 497510631), (6, 331673754), (9, 221115836), (12, 165836877), (18, 110557918), (23, 86523588), (29, 68622156), (36, 55278959), (46, 43261794), (58, 34311078), (69, 28841196), (87, 22874052), (92, 21630897), (116, 17155539), (138, 14420598), (174, 11437026), (179, 11117556), (207, 9613732), (261, 7624684), (276, 7210299), (348, 5718513), (358, 5558778), (414, 4806866), (463, 4298148), (522, 3812342), (537, 3705852), (667, 2983572), (716, 2779389), (828, 2403433), (926, 2149074), (1044, 1906171), (1074, 1852926), (1334, 1491786), (1389, 1432716), (1611, 1235284), (1852, 1074537), (2001, 994524), (2148, 926463), (2668, 745893), (2778, 716358), (3222, 617642), (4002, 497262), (4117, 483372), (4167, 477572), (5191, 383364), (5556, 358179), (6003, 331508), (6444, 308821), (8004, 248631), (8234, 241686), (8334, 238786), (10382, 191682), (10649, 186876), (12006, 165754), (12351, 161124), (13427, 148212), (15573, 127788), (16468, 120843), (16668, 119393), (20764, 95841), (21298, 93438), (24012, 82877), (24702, 80562), (26854, 74106), (31146, 63894), (31947, 62292), (37053, 53708), (40281, 49404), (42596, 46719)]