203423025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 388864000

約数和(自身を除く): 185440975

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 79, 95, 139, 195, 237, 247, 285, 325, 395, 417, 475, 695, 741, 975, 1027, 1185, 1235, 1425, 1501, 1807, 1975, 2085, 2641, 3081, 3475, 3705, 4503, 5135, 5421, 5925, 6175, 7505, 7923, 9035, 10425, 10981, 13205, 15405, 18525, 19513, 22515, 25675, 27105, 32943, 34333, 37525, 39615, 45175, 54905, 58539, 66025, 77025, 97565, 102999, 112575, 135525, 142753, 164715, 171665, 198075, 208639, 274525, 292695, 428259, 487825, 514995, 625917, 713765, 823575, 858325, 1043195, 1463475, 2141295, 2574975, 2712307, 3129585, 3568825, 5215975, 8136921, 10706475, 13561535, 15647925, 40684605, 67807675, 203423025]

約数ペア:

[(1, 203423025), (3, 67807675), (5, 40684605), (13, 15647925), (15, 13561535), (19, 10706475), (25, 8136921), (39, 5215975), (57, 3568825), (65, 3129585), (75, 2712307), (79, 2574975), (95, 2141295), (139, 1463475), (195, 1043195), (237, 858325), (247, 823575), (285, 713765), (325, 625917), (395, 514995), (417, 487825), (475, 428259), (695, 292695), (741, 274525), (975, 208639), (1027, 198075), (1185, 171665), (1235, 164715), (1425, 142753), (1501, 135525), (1807, 112575), (1975, 102999), (2085, 97565), (2641, 77025), (3081, 66025), (3475, 58539), (3705, 54905), (4503, 45175), (5135, 39615), (5421, 37525), (5925, 34333), (6175, 32943), (7505, 27105), (7923, 25675), (9035, 22515), (10425, 19513), (10981, 18525), (13205, 15405)]