400548148

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 991001088

約数和(自身を除く): 590452940

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 62, 77, 91, 98, 124, 143, 154, 182, 196, 217, 286, 308, 341, 364, 403, 434, 461, 539, 572, 637, 682, 806, 868, 922, 1001, 1078, 1274, 1364, 1519, 1612, 1844, 2002, 2156, 2387, 2548, 2821, 3038, 3227, 4004, 4433, 4774, 5071, 5642, 5993, 6076, 6454, 7007, 8866, 9548, 10142, 11284, 11986, 12908, 14014, 14291, 16709, 17732, 19747, 20284, 22589, 23972, 28028, 28582, 31031, 33418, 35497, 39494, 41951, 45178, 57164, 62062, 65923, 66836, 70994, 78988, 83902, 90356, 100037, 124124, 131846, 141988, 157201, 167804, 185783, 200074, 217217, 248479, 263692, 293657, 314402, 371566, 400148, 434434, 461461, 496958, 587314, 628804, 700259, 743132, 868868, 922922, 993916, 1100407, 1174628, 1300481, 1400518, 1845844, 2043613, 2200814, 2600962, 2801036, 3230227, 4087226, 4401628, 5201924, 6460454, 7702849, 8174452, 9103367, 12920908, 14305291, 15405698, 18206734, 28610582, 30811396, 36413468, 57221164, 100137037, 200274074, 400548148]

約数ペア:

[(1, 400548148), (2, 200274074), (4, 100137037), (7, 57221164), (11, 36413468), (13, 30811396), (14, 28610582), (22, 18206734), (26, 15405698), (28, 14305291), (31, 12920908), (44, 9103367), (49, 8174452), (52, 7702849), (62, 6460454), (77, 5201924), (91, 4401628), (98, 4087226), (124, 3230227), (143, 2801036), (154, 2600962), (182, 2200814), (196, 2043613), (217, 1845844), (286, 1400518), (308, 1300481), (341, 1174628), (364, 1100407), (403, 993916), (434, 922922), (461, 868868), (539, 743132), (572, 700259), (637, 628804), (682, 587314), (806, 496958), (868, 461461), (922, 434434), (1001, 400148), (1078, 371566), (1274, 314402), (1364, 293657), (1519, 263692), (1612, 248479), (1844, 217217), (2002, 200074), (2156, 185783), (2387, 167804), (2548, 157201), (2821, 141988), (3038, 131846), (3227, 124124), (4004, 100037), (4433, 90356), (4774, 83902), (5071, 78988), (5642, 70994), (5993, 66836), (6076, 65923), (6454, 62062), (7007, 57164), (8866, 45178), (9548, 41951), (10142, 39494), (11284, 35497), (11986, 33418), (12908, 31031), (14014, 28582), (14291, 28028), (16709, 23972), (17732, 22589), (19747, 20284)]