9478840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 24696000

約数和(自身を除く): 15217160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 349, 388, 485, 679, 698, 776, 970, 1358, 1396, 1745, 1940, 2443, 2716, 2792, 3395, 3490, 3880, 4886, 5432, 6790, 6980, 9772, 12215, 13580, 13960, 19544, 24430, 27160, 33853, 48860, 67706, 97720, 135412, 169265, 236971, 270824, 338530, 473942, 677060, 947884, 1184855, 1354120, 1895768, 2369710, 4739420, 9478840]

約数ペア:

[(1, 9478840), (2, 4739420), (4, 2369710), (5, 1895768), (7, 1354120), (8, 1184855), (10, 947884), (14, 677060), (20, 473942), (28, 338530), (35, 270824), (40, 236971), (56, 169265), (70, 135412), (97, 97720), (140, 67706), (194, 48860), (280, 33853), (349, 27160), (388, 24430), (485, 19544), (679, 13960), (698, 13580), (776, 12215), (970, 9772), (1358, 6980), (1396, 6790), (1745, 5432), (1940, 4886), (2443, 3880), (2716, 3490), (2792, 3395)]