388564540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 1062125568

約数和(自身を除く): 673561028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 71, 91, 97, 124, 130, 140, 142, 155, 182, 194, 217, 260, 284, 310, 355, 364, 388, 403, 434, 455, 485, 497, 620, 679, 710, 806, 868, 910, 923, 970, 994, 1085, 1261, 1358, 1420, 1612, 1820, 1846, 1940, 1988, 2015, 2170, 2201, 2485, 2522, 2716, 2821, 3007, 3395, 3692, 4030, 4340, 4402, 4615, 4970, 5044, 5642, 6014, 6305, 6461, 6790, 6887, 8060, 8804, 8827, 9230, 9940, 11005, 11284, 12028, 12610, 12922, 13580, 13774, 14105, 15035, 15407, 17654, 18460, 21049, 22010, 25220, 25844, 27548, 28210, 28613, 30070, 30814, 32305, 34435, 35308, 39091, 42098, 44020, 44135, 48209, 56420, 57226, 60140, 61628, 64610, 68870, 77035, 78182, 84196, 88270, 89531, 96418, 105245, 114452, 129220, 137740, 143065, 154070, 156364, 176540, 179062, 192836, 195455, 200291, 210490, 213497, 241045, 273637, 286130, 308140, 358124, 390910, 400582, 420980, 426994, 447655, 482090, 547274, 572260, 626717, 781820, 801164, 853988, 895310, 964180, 1001455, 1067485, 1094548, 1253434, 1368185, 1494479, 1790620, 2002910, 2134970, 2506868, 2736370, 2775461, 2988958, 3133585, 4005820, 4269940, 5472740, 5550922, 5977916, 6267170, 7472395, 11101844, 12534340, 13877305, 14944790, 19428227, 27754610, 29889580, 38856454, 55509220, 77712908, 97141135, 194282270, 388564540]

約数ペア:

[(1, 388564540), (2, 194282270), (4, 97141135), (5, 77712908), (7, 55509220), (10, 38856454), (13, 29889580), (14, 27754610), (20, 19428227), (26, 14944790), (28, 13877305), (31, 12534340), (35, 11101844), (52, 7472395), (62, 6267170), (65, 5977916), (70, 5550922), (71, 5472740), (91, 4269940), (97, 4005820), (124, 3133585), (130, 2988958), (140, 2775461), (142, 2736370), (155, 2506868), (182, 2134970), (194, 2002910), (217, 1790620), (260, 1494479), (284, 1368185), (310, 1253434), (355, 1094548), (364, 1067485), (388, 1001455), (403, 964180), (434, 895310), (455, 853988), (485, 801164), (497, 781820), (620, 626717), (679, 572260), (710, 547274), (806, 482090), (868, 447655), (910, 426994), (923, 420980), (970, 400582), (994, 390910), (1085, 358124), (1261, 308140), (1358, 286130), (1420, 273637), (1612, 241045), (1820, 213497), (1846, 210490), (1940, 200291), (1988, 195455), (2015, 192836), (2170, 179062), (2201, 176540), (2485, 156364), (2522, 154070), (2716, 143065), (2821, 137740), (3007, 129220), (3395, 114452), (3692, 105245), (4030, 96418), (4340, 89531), (4402, 88270), (4615, 84196), (4970, 78182), (5044, 77035), (5642, 68870), (6014, 64610), (6305, 61628), (6461, 60140), (6790, 57226), (6887, 56420), (8060, 48209), (8804, 44135), (8827, 44020), (9230, 42098), (9940, 39091), (11005, 35308), (11284, 34435), (12028, 32305), (12610, 30814), (12922, 30070), (13580, 28613), (13774, 28210), (14105, 27548), (15035, 25844), (15407, 25220), (17654, 22010), (18460, 21049)]