389912320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43517}}^1$

素因数の和:43545

約数の個数: 72

約数和(自身を含む): 1067409504

約数和(自身を除く): 677497184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 43517, 87034, 174068, 217585, 304619, 348136, 435170, 609238, 696272, 870340, 1218476, 1392544, 1523095, 1740680, 2436952, 2785088, 3046190, 3481360, 4873904, 5570176, 6092380, 6962720, 9747808, 11140352, 12184760, 13925440, 19495616, 24369520, 27850880, 38991232, 48739040, 55701760, 77982464, 97478080, 194956160, 389912320]

約数ペア:

[(1, 389912320), (2, 194956160), (4, 97478080), (5, 77982464), (7, 55701760), (8, 48739040), (10, 38991232), (14, 27850880), (16, 24369520), (20, 19495616), (28, 13925440), (32, 12184760), (35, 11140352), (40, 9747808), (56, 6962720), (64, 6092380), (70, 5570176), (80, 4873904), (112, 3481360), (128, 3046190), (140, 2785088), (160, 2436952), (224, 1740680), (256, 1523095), (280, 1392544), (320, 1218476), (448, 870340), (560, 696272), (640, 609238), (896, 435170), (1120, 348136), (1280, 304619), (1792, 217585), (2240, 174068), (4480, 87034), (8960, 43517)]