200913885

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 404928000

約数和(自身を除く): 204014115

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 37, 45, 57, 73, 87, 95, 111, 135, 145, 171, 185, 219, 261, 285, 333, 365, 435, 513, 551, 555, 657, 703, 783, 855, 999, 1073, 1095, 1305, 1387, 1653, 1665, 1971, 2109, 2117, 2565, 2701, 2755, 3219, 3285, 3515, 3915, 4161, 4959, 4995, 5365, 6327, 6351, 6935, 8103, 8265, 9657, 9855, 10545, 10585, 12483, 13505, 14877, 16095, 18981, 19053, 20387, 20805, 24309, 24795, 28971, 31635, 31755, 37449, 40223, 40515, 48285, 51319, 57159, 61161, 62415, 72927, 74385, 78329, 94905, 95265, 101935, 120669, 121545, 144855, 153957, 183483, 187245, 201115, 234987, 256595, 285795, 305805, 362007, 364635, 391645, 461871, 550449, 603345, 704961, 769785, 917415, 1086021, 1174935, 1385613, 1488251, 1810035, 2114883, 2309355, 2752245, 3524805, 4464753, 5430105, 6928065, 7441255, 10574415, 13394259, 22323765, 40182777, 66971295, 200913885]

約数ペア:

[(1, 200913885), (3, 66971295), (5, 40182777), (9, 22323765), (15, 13394259), (19, 10574415), (27, 7441255), (29, 6928065), (37, 5430105), (45, 4464753), (57, 3524805), (73, 2752245), (87, 2309355), (95, 2114883), (111, 1810035), (135, 1488251), (145, 1385613), (171, 1174935), (185, 1086021), (219, 917415), (261, 769785), (285, 704961), (333, 603345), (365, 550449), (435, 461871), (513, 391645), (551, 364635), (555, 362007), (657, 305805), (703, 285795), (783, 256595), (855, 234987), (999, 201115), (1073, 187245), (1095, 183483), (1305, 153957), (1387, 144855), (1653, 121545), (1665, 120669), (1971, 101935), (2109, 95265), (2117, 94905), (2565, 78329), (2701, 74385), (2755, 72927), (3219, 62415), (3285, 61161), (3515, 57159), (3915, 51319), (4161, 48285), (4959, 40515), (4995, 40223), (5365, 37449), (6327, 31755), (6351, 31635), (6935, 28971), (8103, 24795), (8265, 24309), (9657, 20805), (9855, 20387), (10545, 19053), (10585, 18981), (12483, 16095), (13505, 14877)]