289345980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 288

約数和(自身を含む): 1075576320

約数和(自身を除く): 786230340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 49, 55, 60, 66, 69, 70, 77, 84, 92, 98, 105, 110, 115, 132, 138, 140, 147, 154, 161, 165, 196, 210, 220, 230, 231, 245, 253, 276, 294, 308, 322, 330, 345, 385, 389, 420, 460, 462, 483, 490, 506, 539, 588, 644, 660, 690, 735, 759, 770, 778, 805, 924, 966, 980, 1012, 1078, 1127, 1155, 1167, 1265, 1380, 1470, 1518, 1540, 1556, 1610, 1617, 1771, 1932, 1945, 2156, 2254, 2310, 2334, 2415, 2530, 2695, 2723, 2940, 3036, 3220, 3234, 3381, 3542, 3795, 3890, 4279, 4508, 4620, 4668, 4830, 5060, 5313, 5390, 5446, 5635, 5835, 6468, 6762, 7084, 7590, 7780, 8085, 8169, 8558, 8855, 8947, 9660, 10626, 10780, 10892, 11270, 11670, 12397, 12837, 13524, 13615, 15180, 16170, 16338, 16905, 17116, 17710, 17894, 19061, 21252, 21395, 22540, 23340, 24794, 25674, 26565, 26841, 27230, 29953, 32340, 32676, 33810, 35420, 35788, 37191, 38122, 40845, 42790, 44735, 49588, 51348, 53130, 53682, 54460, 57183, 59906, 61985, 62629, 64185, 67620, 74382, 76244, 81690, 85580, 89470, 89859, 95305, 98417, 106260, 107364, 114366, 119812, 123970, 125258, 128370, 134205, 148764, 149765, 163380, 178940, 179718, 185955, 187887, 190610, 196834, 209671, 228732, 247940, 250516, 256740, 268410, 285915, 295251, 299530, 313145, 359436, 371910, 375774, 381220, 393668, 419342, 438403, 449295, 492085, 536820, 571830, 590502, 599060, 626290, 629013, 688919, 743820, 751548, 838684, 876806, 898590, 939435, 984170, 1048355, 1143660, 1181004, 1252580, 1258026, 1315209, 1377838, 1476255, 1753612, 1797180, 1878870, 1968340, 2066757, 2096710, 2192015, 2516052, 2630418, 2755676, 2952510, 3145065, 3444595, 3757740, 4133514, 4193420, 4384030, 4822433, 5260836, 5905020, 6290130, 6576045, 6889190, 8267028, 8768060, 9644866, 10333785, 12580260, 13152090, 13778380, 14467299, 19289732, 20667570, 24112165, 26304180, 28934598, 41335140, 48224330, 57869196, 72336495, 96448660, 144672990, 289345980]

約数ペア:

[(1, 289345980), (2, 144672990), (3, 96448660), (4, 72336495), (5, 57869196), (6, 48224330), (7, 41335140), (10, 28934598), (11, 26304180), (12, 24112165), (14, 20667570), (15, 19289732), (20, 14467299), (21, 13778380), (22, 13152090), (23, 12580260), (28, 10333785), (30, 9644866), (33, 8768060), (35, 8267028), (42, 6889190), (44, 6576045), (46, 6290130), (49, 5905020), (55, 5260836), (60, 4822433), (66, 4384030), (69, 4193420), (70, 4133514), (77, 3757740), (84, 3444595), (92, 3145065), (98, 2952510), (105, 2755676), (110, 2630418), (115, 2516052), (132, 2192015), (138, 2096710), (140, 2066757), (147, 1968340), (154, 1878870), (161, 1797180), (165, 1753612), (196, 1476255), (210, 1377838), (220, 1315209), (230, 1258026), (231, 1252580), (245, 1181004), (253, 1143660), (276, 1048355), (294, 984170), (308, 939435), (322, 898590), (330, 876806), (345, 838684), (385, 751548), (389, 743820), (420, 688919), (460, 629013), (462, 626290), (483, 599060), (490, 590502), (506, 571830), (539, 536820), (588, 492085), (644, 449295), (660, 438403), (690, 419342), (735, 393668), (759, 381220), (770, 375774), (778, 371910), (805, 359436), (924, 313145), (966, 299530), (980, 295251), (1012, 285915), (1078, 268410), (1127, 256740), (1155, 250516), (1167, 247940), (1265, 228732), (1380, 209671), (1470, 196834), (1518, 190610), (1540, 187887), (1556, 185955), (1610, 179718), (1617, 178940), (1771, 163380), (1932, 149765), (1945, 148764), (2156, 134205), (2254, 128370), (2310, 125258), (2334, 123970), (2415, 119812), (2530, 114366), (2695, 107364), (2723, 106260), (2940, 98417), (3036, 95305), (3220, 89859), (3234, 89470), (3381, 85580), (3542, 81690), (3795, 76244), (3890, 74382), (4279, 67620), (4508, 64185), (4620, 62629), (4668, 61985), (4830, 59906), (5060, 57183), (5313, 54460), (5390, 53682), (5446, 53130), (5635, 51348), (5835, 49588), (6468, 44735), (6762, 42790), (7084, 40845), (7590, 38122), (7780, 37191), (8085, 35788), (8169, 35420), (8558, 33810), (8855, 32676), (8947, 32340), (9660, 29953), (10626, 27230), (10780, 26841), (10892, 26565), (11270, 25674), (11670, 24794), (12397, 23340), (12837, 22540), (13524, 21395), (13615, 21252), (15180, 19061), (16170, 17894), (16338, 17710), (16905, 17116)]