217939260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 288

約数和(自身を含む): 810819072

約数和(自身を除く): 592879812

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, 293, 294, 308, 322, 330, 345, 385, 420, 460, 462, 483, 490, 506, 539, 586, 588, 644, 660, 690, 735, 759, 770, 805, 879, 924, 966, 980, 1012, 1078, 1127, 1155, 1172, 1265, 1380, 1465, 1470, 1518, 1540, 1610, 1617, 1758, 1771, 1932, 2051, 2156, 2254, 2310, 2415, 2530, 2695, 2930, 2940, 3036, 3220, 3223, 3234, 3381, 3516, 3542, 3795, 4102, 4395, 4508, 4620, 4830, 5060, 5313, 5390, 5635, 5860, 6153, 6446, 6468, 6739, 6762, 7084, 7590, 8085, 8204, 8790, 8855, 9660, 9669, 10255, 10626, 10780, 11270, 12306, 12397, 12892, 13478, 13524, 14357, 15180, 16115, 16170, 16905, 17580, 17710, 19338, 20217, 20510, 21252, 22540, 22561, 24612, 24794, 26565, 26956, 28714, 30765, 32230, 32340, 33695, 33810, 35420, 37191, 38676, 40434, 41020, 43071, 45122, 47173, 48345, 49588, 53130, 57428, 61530, 61985, 64460, 67390, 67620, 67683, 71785, 74129, 74382, 80868, 86142, 90244, 94346, 96690, 101085, 106260, 112805, 123060, 123970, 134780, 135366, 141519, 143570, 148258, 148764, 157927, 172284, 185955, 188692, 193380, 202170, 215355, 222387, 225610, 235865, 247940, 270732, 283038, 287140, 296516, 315854, 330211, 338415, 370645, 371910, 404340, 430710, 444774, 451220, 471730, 473781, 518903, 566076, 631708, 660422, 676830, 707595, 741290, 743820, 789635, 861420, 889548, 943460, 947562, 990633, 1037806, 1111935, 1320844, 1353660, 1415190, 1482580, 1556709, 1579270, 1651055, 1895124, 1981266, 2075612, 2223870, 2368905, 2594515, 2830380, 3113418, 3158540, 3302110, 3632321, 3962532, 4447740, 4737810, 4953165, 5189030, 6226836, 6604220, 7264642, 7783545, 9475620, 9906330, 10378060, 10896963, 14529284, 15567090, 18161605, 19812660, 21793926, 31134180, 36323210, 43587852, 54484815, 72646420, 108969630, 217939260]

約数ペア:

[(1, 217939260), (2, 108969630), (3, 72646420), (4, 54484815), (5, 43587852), (6, 36323210), (7, 31134180), (10, 21793926), (11, 19812660), (12, 18161605), (14, 15567090), (15, 14529284), (20, 10896963), (21, 10378060), (22, 9906330), (23, 9475620), (28, 7783545), (30, 7264642), (33, 6604220), (35, 6226836), (42, 5189030), (44, 4953165), (46, 4737810), (49, 4447740), (55, 3962532), (60, 3632321), (66, 3302110), (69, 3158540), (70, 3113418), (77, 2830380), (84, 2594515), (92, 2368905), (98, 2223870), (105, 2075612), (110, 1981266), (115, 1895124), (132, 1651055), (138, 1579270), (140, 1556709), (147, 1482580), (154, 1415190), (161, 1353660), (165, 1320844), (196, 1111935), (210, 1037806), (220, 990633), (230, 947562), (231, 943460), (245, 889548), (253, 861420), (276, 789635), (293, 743820), (294, 741290), (308, 707595), (322, 676830), (330, 660422), (345, 631708), (385, 566076), (420, 518903), (460, 473781), (462, 471730), (483, 451220), (490, 444774), (506, 430710), (539, 404340), (586, 371910), (588, 370645), (644, 338415), (660, 330211), (690, 315854), (735, 296516), (759, 287140), (770, 283038), (805, 270732), (879, 247940), (924, 235865), (966, 225610), (980, 222387), (1012, 215355), (1078, 202170), (1127, 193380), (1155, 188692), (1172, 185955), (1265, 172284), (1380, 157927), (1465, 148764), (1470, 148258), (1518, 143570), (1540, 141519), (1610, 135366), (1617, 134780), (1758, 123970), (1771, 123060), (1932, 112805), (2051, 106260), (2156, 101085), (2254, 96690), (2310, 94346), (2415, 90244), (2530, 86142), (2695, 80868), (2930, 74382), (2940, 74129), (3036, 71785), (3220, 67683), (3223, 67620), (3234, 67390), (3381, 64460), (3516, 61985), (3542, 61530), (3795, 57428), (4102, 53130), (4395, 49588), (4508, 48345), (4620, 47173), (4830, 45122), (5060, 43071), (5313, 41020), (5390, 40434), (5635, 38676), (5860, 37191), (6153, 35420), (6446, 33810), (6468, 33695), (6739, 32340), (6762, 32230), (7084, 30765), (7590, 28714), (8085, 26956), (8204, 26565), (8790, 24794), (8855, 24612), (9660, 22561), (9669, 22540), (10255, 21252), (10626, 20510), (10780, 20217), (11270, 19338), (12306, 17710), (12397, 17580), (12892, 16905), (13478, 16170), (13524, 16115), (14357, 15180)]