811928425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 1342771200

約数和(自身を除く): 530842775

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 79, 95, 133, 175, 209, 275, 281, 385, 395, 475, 553, 665, 869, 1045, 1405, 1463, 1501, 1925, 1967, 1975, 2765, 3091, 3325, 4345, 5225, 5339, 6083, 7025, 7315, 7505, 9835, 10507, 13825, 15455, 16511, 21637, 21725, 22199, 26695, 30415, 36575, 37373, 37525, 49175, 52535, 58729, 77275, 82555, 108185, 110995, 115577, 133475, 152075, 155393, 186865, 244189, 262675, 293645, 411103, 412775, 421781, 540925, 554975, 577885, 776965, 934325, 1220945, 1468225, 1709323, 2055515, 2108905, 2889425, 2952467, 3884825, 4639591, 6104725, 8546615, 10277575, 10544525, 14762335, 23197955, 32477137, 42733075, 73811675, 115989775, 162385685, 811928425]

約数ペア:

[(1, 811928425), (5, 162385685), (7, 115989775), (11, 73811675), (19, 42733075), (25, 32477137), (35, 23197955), (55, 14762335), (77, 10544525), (79, 10277575), (95, 8546615), (133, 6104725), (175, 4639591), (209, 3884825), (275, 2952467), (281, 2889425), (385, 2108905), (395, 2055515), (475, 1709323), (553, 1468225), (665, 1220945), (869, 934325), (1045, 776965), (1405, 577885), (1463, 554975), (1501, 540925), (1925, 421781), (1967, 412775), (1975, 411103), (2765, 293645), (3091, 262675), (3325, 244189), (4345, 186865), (5225, 155393), (5339, 152075), (6083, 133475), (7025, 115577), (7315, 110995), (7505, 108185), (9835, 82555), (10507, 77275), (13825, 58729), (15455, 52535), (16511, 49175), (21637, 37525), (21725, 37373), (22199, 36575), (26695, 30415)]