204576515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 314380080

約数和(自身を除く): 109803565

約数列:

[1, 5, 11, 13, 19, 37, 55, 65, 95, 121, 143, 185, 209, 247, 407, 481, 605, 703, 715, 1045, 1235, 1369, 1573, 2035, 2299, 2405, 2717, 3515, 4477, 5291, 6845, 7733, 7865, 9139, 11495, 13585, 15059, 17797, 22385, 26011, 26455, 29887, 38665, 45695, 58201, 75295, 85063, 88985, 100529, 130055, 149435, 165649, 195767, 286121, 291005, 338143, 425315, 502645, 828245, 978835, 1105819, 1430605, 1690715, 2153437, 3147331, 3719573, 5529095, 10767185, 15736655, 18597865, 40915303, 204576515]

約数ペア:

[(1, 204576515), (5, 40915303), (11, 18597865), (13, 15736655), (19, 10767185), (37, 5529095), (55, 3719573), (65, 3147331), (95, 2153437), (121, 1690715), (143, 1430605), (185, 1105819), (209, 978835), (247, 828245), (407, 502645), (481, 425315), (605, 338143), (703, 291005), (715, 286121), (1045, 195767), (1235, 165649), (1369, 149435), (1573, 130055), (2035, 100529), (2299, 88985), (2405, 85063), (2717, 75295), (3515, 58201), (4477, 45695), (5291, 38665), (6845, 29887), (7733, 26455), (7865, 26011), (9139, 22385), (11495, 17797), (13585, 15059)]