207573760

素因数分解:

$2^8\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 499929696

約数和(自身を除く): 292355936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 514, 631, 640, 1028, 1262, 1280, 1285, 2056, 2524, 2570, 3155, 4112, 5048, 5140, 6310, 8224, 10096, 10280, 12620, 16448, 20192, 20560, 25240, 32896, 40384, 41120, 50480, 65792, 80768, 82240, 100960, 161536, 162167, 164480, 201920, 324334, 328960, 403840, 648668, 807680, 810835, 1297336, 1621670, 2594672, 3243340, 5189344, 6486680, 10378688, 12973360, 20757376, 25946720, 41514752, 51893440, 103786880, 207573760]

約数ペア:

[(1, 207573760), (2, 103786880), (4, 51893440), (5, 41514752), (8, 25946720), (10, 20757376), (16, 12973360), (20, 10378688), (32, 6486680), (40, 5189344), (64, 3243340), (80, 2594672), (128, 1621670), (160, 1297336), (256, 810835), (257, 807680), (320, 648668), (514, 403840), (631, 328960), (640, 324334), (1028, 201920), (1262, 164480), (1280, 162167), (1285, 161536), (2056, 100960), (2524, 82240), (2570, 80768), (3155, 65792), (4112, 50480), (5048, 41120), (5140, 40384), (6310, 32896), (8224, 25240), (10096, 20560), (10280, 20192), (12620, 16448)]