139833920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 355396800

約数和(自身を除く): 215562880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 109, 152, 160, 190, 211, 218, 304, 320, 380, 422, 436, 545, 608, 760, 844, 872, 1055, 1090, 1216, 1520, 1688, 1744, 2071, 2110, 2180, 3040, 3376, 3488, 4009, 4142, 4220, 4360, 6080, 6752, 6976, 8018, 8284, 8440, 8720, 10355, 13504, 16036, 16568, 16880, 17440, 20045, 20710, 22999, 32072, 33136, 33760, 34880, 40090, 41420, 45998, 64144, 66272, 67520, 80180, 82840, 91996, 114995, 128288, 132544, 160360, 165680, 183992, 229990, 256576, 320720, 331360, 367984, 436981, 459980, 641440, 662720, 735968, 873962, 919960, 1282880, 1471936, 1747924, 1839920, 2184905, 3495848, 3679840, 4369810, 6991696, 7359680, 8739620, 13983392, 17479240, 27966784, 34958480, 69916960, 139833920]

約数ペア:

[(1, 139833920), (2, 69916960), (4, 34958480), (5, 27966784), (8, 17479240), (10, 13983392), (16, 8739620), (19, 7359680), (20, 6991696), (32, 4369810), (38, 3679840), (40, 3495848), (64, 2184905), (76, 1839920), (80, 1747924), (95, 1471936), (109, 1282880), (152, 919960), (160, 873962), (190, 735968), (211, 662720), (218, 641440), (304, 459980), (320, 436981), (380, 367984), (422, 331360), (436, 320720), (545, 256576), (608, 229990), (760, 183992), (844, 165680), (872, 160360), (1055, 132544), (1090, 128288), (1216, 114995), (1520, 91996), (1688, 82840), (1744, 80180), (2071, 67520), (2110, 66272), (2180, 64144), (3040, 45998), (3376, 41420), (3488, 40090), (4009, 34880), (4142, 33760), (4220, 33136), (4360, 32072), (6080, 22999), (6752, 20710), (6976, 20045), (8018, 17440), (8284, 16880), (8440, 16568), (8720, 16036), (10355, 13504)]