205030455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 412205760

約数和(自身を除く): 207175305

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 61, 85, 105, 119, 147, 183, 245, 255, 269, 305, 357, 427, 595, 735, 807, 833, 915, 1037, 1281, 1345, 1785, 1883, 2135, 2499, 2989, 3111, 4035, 4165, 4573, 5185, 5649, 6405, 7259, 8967, 9415, 12495, 13181, 13719, 14945, 15555, 16409, 21777, 22865, 28245, 32011, 36295, 39543, 44835, 49227, 50813, 65905, 68595, 82045, 96033, 108885, 114863, 152439, 160055, 197715, 224077, 246135, 254065, 278953, 344589, 480165, 574315, 672231, 762195, 804041, 836859, 1120385, 1394765, 1722945, 1952671, 2412123, 3361155, 4020205, 4184295, 5858013, 9763355, 12060615, 13668697, 29290065, 41006091, 68343485, 205030455]

約数ペア:

[(1, 205030455), (3, 68343485), (5, 41006091), (7, 29290065), (15, 13668697), (17, 12060615), (21, 9763355), (35, 5858013), (49, 4184295), (51, 4020205), (61, 3361155), (85, 2412123), (105, 1952671), (119, 1722945), (147, 1394765), (183, 1120385), (245, 836859), (255, 804041), (269, 762195), (305, 672231), (357, 574315), (427, 480165), (595, 344589), (735, 278953), (807, 254065), (833, 246135), (915, 224077), (1037, 197715), (1281, 160055), (1345, 152439), (1785, 114863), (1883, 108885), (2135, 96033), (2499, 82045), (2989, 68595), (3111, 65905), (4035, 50813), (4165, 49227), (4573, 44835), (5185, 39543), (5649, 36295), (6405, 32011), (7259, 28245), (8967, 22865), (9415, 21777), (12495, 16409), (13181, 15555), (13719, 14945)]