1999334414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 4049740800

約数和(自身を除く): 2050406386

約数列:

[1, 2, 7, 11, 14, 22, 29, 41, 58, 61, 77, 82, 122, 154, 179, 203, 287, 319, 358, 406, 427, 451, 574, 638, 671, 854, 902, 1189, 1253, 1342, 1769, 1969, 2233, 2378, 2501, 2506, 3157, 3538, 3938, 4466, 4697, 5002, 5191, 6314, 7339, 8323, 9394, 10382, 10919, 12383, 13079, 13783, 14678, 16646, 17507, 19459, 21838, 24766, 26158, 27511, 27566, 35014, 36337, 38918, 51373, 55022, 57101, 72529, 72674, 76433, 80729, 91553, 102746, 114202, 120109, 136213, 145058, 152866, 161458, 183106, 192577, 212831, 240218, 272426, 316651, 385154, 399707, 425662, 447679, 507703, 565103, 633302, 797819, 799414, 840763, 895358, 1015406, 1130206, 1489817, 1595638, 1681526, 2216557, 2341141, 2979634, 3133753, 3483161, 4433114, 4682282, 4924469, 5584733, 6267506, 6966322, 9848938, 11169466, 12982691, 16387987, 24382127, 25965382, 32775974, 34471283, 48764254, 68942566, 90878837, 142809601, 181757674, 285619202, 999667207, 1999334414]

約数ペア:

[(1, 1999334414), (2, 999667207), (7, 285619202), (11, 181757674), (14, 142809601), (22, 90878837), (29, 68942566), (41, 48764254), (58, 34471283), (61, 32775974), (77, 25965382), (82, 24382127), (122, 16387987), (154, 12982691), (179, 11169466), (203, 9848938), (287, 6966322), (319, 6267506), (358, 5584733), (406, 4924469), (427, 4682282), (451, 4433114), (574, 3483161), (638, 3133753), (671, 2979634), (854, 2341141), (902, 2216557), (1189, 1681526), (1253, 1595638), (1342, 1489817), (1769, 1130206), (1969, 1015406), (2233, 895358), (2378, 840763), (2501, 799414), (2506, 797819), (3157, 633302), (3538, 565103), (3938, 507703), (4466, 447679), (4697, 425662), (5002, 399707), (5191, 385154), (6314, 316651), (7339, 272426), (8323, 240218), (9394, 212831), (10382, 192577), (10919, 183106), (12383, 161458), (13079, 152866), (13783, 145058), (14678, 136213), (16646, 120109), (17507, 114202), (19459, 102746), (21838, 91553), (24766, 80729), (26158, 76433), (27511, 72674), (27566, 72529), (35014, 57101), (36337, 55022), (38918, 51373)]