400088704

素因数分解:

$2^7\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 813960000

約数和(自身を除く): 413871296

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 139, 199, 226, 278, 398, 452, 556, 796, 904, 1112, 1592, 1808, 2224, 3184, 3616, 4448, 6368, 7232, 8896, 12736, 14464, 15707, 17792, 22487, 25472, 27661, 31414, 44974, 55322, 62828, 89948, 110644, 125656, 179896, 221288, 251312, 359792, 442576, 502624, 719584, 885152, 1005248, 1439168, 1770304, 2010496, 2878336, 3125693, 3540608, 6251386, 12502772, 25005544, 50011088, 100022176, 200044352, 400088704]

約数ペア:

[(1, 400088704), (2, 200044352), (4, 100022176), (8, 50011088), (16, 25005544), (32, 12502772), (64, 6251386), (113, 3540608), (128, 3125693), (139, 2878336), (199, 2010496), (226, 1770304), (278, 1439168), (398, 1005248), (452, 885152), (556, 719584), (796, 502624), (904, 442576), (1112, 359792), (1592, 251312), (1808, 221288), (2224, 179896), (3184, 125656), (3616, 110644), (4448, 89948), (6368, 62828), (7232, 55322), (8896, 44974), (12736, 31414), (14464, 27661), (15707, 25472), (17792, 22487)]