399795568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{57179}}^1$

素因数の和:57229

約数の個数: 40

約数和(自身を含む): 850838400

約数和(自身を除く): 451042832

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 57179, 114358, 228716, 457432, 914864, 1086401, 1315117, 2172802, 2630234, 4345604, 5260468, 8691208, 10520936, 17382416, 21041872, 24987223, 49974446, 99948892, 199897784, 399795568]

約数ペア:

[(1, 399795568), (2, 199897784), (4, 99948892), (8, 49974446), (16, 24987223), (19, 21041872), (23, 17382416), (38, 10520936), (46, 8691208), (76, 5260468), (92, 4345604), (152, 2630234), (184, 2172802), (304, 1315117), (368, 1086401), (437, 914864), (874, 457432), (1748, 228716), (3496, 114358), (6992, 57179)]