490138740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1359

約数の個数: 288

約数和(自身を含む): 1910877696

約数和(自身を除く): 1420738956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 26, 28, 30, 35, 36, 39, 42, 45, 46, 52, 60, 63, 65, 69, 70, 78, 84, 90, 91, 92, 105, 115, 117, 126, 130, 138, 140, 156, 161, 180, 182, 195, 207, 210, 230, 234, 252, 260, 273, 276, 299, 315, 322, 345, 364, 390, 414, 420, 455, 460, 468, 483, 546, 585, 598, 630, 644, 690, 780, 805, 819, 828, 897, 910, 966, 1035, 1092, 1170, 1196, 1260, 1301, 1365, 1380, 1449, 1495, 1610, 1638, 1794, 1820, 1932, 2070, 2093, 2340, 2415, 2602, 2691, 2730, 2898, 2990, 3220, 3276, 3588, 3903, 4095, 4140, 4186, 4485, 4830, 5204, 5382, 5460, 5796, 5980, 6279, 6505, 7245, 7806, 8190, 8372, 8970, 9107, 9660, 10465, 10764, 11709, 12558, 13010, 13455, 14490, 15612, 16380, 16913, 17940, 18214, 18837, 19515, 20930, 23418, 25116, 26020, 26910, 27321, 28980, 29923, 31395, 33826, 36428, 37674, 39030, 41860, 45535, 46836, 50739, 53820, 54642, 58545, 59846, 62790, 67652, 75348, 78060, 81963, 84565, 89769, 91070, 94185, 101478, 109284, 117090, 118391, 119692, 125580, 136605, 149615, 152217, 163926, 169130, 179538, 182140, 188370, 202956, 209461, 234180, 236782, 253695, 269307, 273210, 299230, 304434, 327852, 338260, 355173, 359076, 376740, 388999, 409815, 418922, 448845, 473564, 507390, 538614, 546420, 591955, 598460, 608868, 628383, 710346, 761085, 777998, 819630, 837844, 897690, 1014780, 1047305, 1065519, 1077228, 1166997, 1183910, 1256766, 1346535, 1420692, 1522170, 1555996, 1639260, 1775865, 1795380, 1885149, 1944995, 2094610, 2131038, 2333994, 2367820, 2513532, 2693070, 2722993, 3044340, 3141915, 3500991, 3551730, 3770298, 3889990, 4189220, 4262076, 4667988, 5327595, 5386140, 5445986, 5834985, 6283830, 7001982, 7103460, 7540596, 7779980, 8168979, 9425745, 10655190, 10891972, 11669970, 12567660, 13614965, 14003964, 16337958, 17504955, 18851490, 21310380, 23339940, 24506937, 27229930, 32675916, 35009910, 37702980, 40844895, 49013874, 54459860, 70019820, 81689790, 98027748, 122534685, 163379580, 245069370, 490138740]

約数ペア:

[(1, 490138740), (2, 245069370), (3, 163379580), (4, 122534685), (5, 98027748), (6, 81689790), (7, 70019820), (9, 54459860), (10, 49013874), (12, 40844895), (13, 37702980), (14, 35009910), (15, 32675916), (18, 27229930), (20, 24506937), (21, 23339940), (23, 21310380), (26, 18851490), (28, 17504955), (30, 16337958), (35, 14003964), (36, 13614965), (39, 12567660), (42, 11669970), (45, 10891972), (46, 10655190), (52, 9425745), (60, 8168979), (63, 7779980), (65, 7540596), (69, 7103460), (70, 7001982), (78, 6283830), (84, 5834985), (90, 5445986), (91, 5386140), (92, 5327595), (105, 4667988), (115, 4262076), (117, 4189220), (126, 3889990), (130, 3770298), (138, 3551730), (140, 3500991), (156, 3141915), (161, 3044340), (180, 2722993), (182, 2693070), (195, 2513532), (207, 2367820), (210, 2333994), (230, 2131038), (234, 2094610), (252, 1944995), (260, 1885149), (273, 1795380), (276, 1775865), (299, 1639260), (315, 1555996), (322, 1522170), (345, 1420692), (364, 1346535), (390, 1256766), (414, 1183910), (420, 1166997), (455, 1077228), (460, 1065519), (468, 1047305), (483, 1014780), (546, 897690), (585, 837844), (598, 819630), (630, 777998), (644, 761085), (690, 710346), (780, 628383), (805, 608868), (819, 598460), (828, 591955), (897, 546420), (910, 538614), (966, 507390), (1035, 473564), (1092, 448845), (1170, 418922), (1196, 409815), (1260, 388999), (1301, 376740), (1365, 359076), (1380, 355173), (1449, 338260), (1495, 327852), (1610, 304434), (1638, 299230), (1794, 273210), (1820, 269307), (1932, 253695), (2070, 236782), (2093, 234180), (2340, 209461), (2415, 202956), (2602, 188370), (2691, 182140), (2730, 179538), (2898, 169130), (2990, 163926), (3220, 152217), (3276, 149615), (3588, 136605), (3903, 125580), (4095, 119692), (4140, 118391), (4186, 117090), (4485, 109284), (4830, 101478), (5204, 94185), (5382, 91070), (5460, 89769), (5796, 84565), (5980, 81963), (6279, 78060), (6505, 75348), (7245, 67652), (7806, 62790), (8190, 59846), (8372, 58545), (8970, 54642), (9107, 53820), (9660, 50739), (10465, 46836), (10764, 45535), (11709, 41860), (12558, 39030), (13010, 37674), (13455, 36428), (14490, 33826), (15612, 31395), (16380, 29923), (16913, 28980), (17940, 27321), (18214, 26910), (18837, 26020), (19515, 25116), (20930, 23418)]