90169856

素因数分解:

$2^9\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 80

約数和(自身を含む): 208528320

約数和(自身を除く): 118358464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 181, 224, 256, 278, 362, 448, 512, 556, 724, 896, 973, 1112, 1267, 1448, 1792, 1946, 2224, 2534, 2896, 3584, 3892, 4448, 5068, 5792, 7784, 8896, 10136, 11584, 15568, 17792, 20272, 23168, 25159, 31136, 35584, 40544, 46336, 50318, 62272, 71168, 81088, 92672, 100636, 124544, 162176, 176113, 201272, 249088, 324352, 352226, 402544, 498176, 648704, 704452, 805088, 1408904, 1610176, 2817808, 3220352, 5635616, 6440704, 11271232, 12881408, 22542464, 45084928, 90169856]

約数ペア:

[(1, 90169856), (2, 45084928), (4, 22542464), (7, 12881408), (8, 11271232), (14, 6440704), (16, 5635616), (28, 3220352), (32, 2817808), (56, 1610176), (64, 1408904), (112, 805088), (128, 704452), (139, 648704), (181, 498176), (224, 402544), (256, 352226), (278, 324352), (362, 249088), (448, 201272), (512, 176113), (556, 162176), (724, 124544), (896, 100636), (973, 92672), (1112, 81088), (1267, 71168), (1448, 62272), (1792, 50318), (1946, 46336), (2224, 40544), (2534, 35584), (2896, 31136), (3584, 25159), (3892, 23168), (4448, 20272), (5068, 17792), (5792, 15568), (7784, 11584), (8896, 10136)]